Last frost date spokane wa

Average First Frost Date: Oct. 1 - Oct. 10: Average Last Frost Date: May 11 - May 20: Average Days With Frost: 125-150 Days: Plant Hardiness Zone - 2023: Zone 7a : 0°F to …

Last frost date spokane wa. Since the USDA zone info for Spokane is just an average the actual date of last frost changes from year to year. Half of the time in Spokane it frosts late in the year after April 15 so just be sure to be ready to protect your snow-in summer in the event of a surprise late frost. USDA Zone Info for Spokane. Here is the info for USDA Zone 6b.

Apr 4, 2024 · Spokane, Washington Est. May 19, 1883. Current Temperature 41°F. Current Conditions ... The NOAA Climate Center has issued a new interactive spring last frost date map for the U.S. You can zoom ...

A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. Planting Guides for Washington. This is your list of cities in Washington. Washington has a range of climates spanning from as cold as Zone 6a to as warm as Zone 9a. If the city you are looking for is not in this list you can view the zone map for Washington to get a good idea of the zones in your area, and then click on one of the zone links ... 2024 First and Last Frost Dates. See 2024 Frost Dates for Your Location. What are the 2024 Frost Dates? A frost date is the average date of the last light freeze in spring or the first …In Spokane, Oct. 7 is the average date of the first frost or sub-32-degree day. In Pullman, it's Oct. 1. Lewiston, Idaho holds off a little longer at Oct. 21 as the average first frost of the year.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.

Hardiness Zones for ZIP Code 99006 - Deer Park, Washington as Well as First/Last Frost Dates, Climate Averages and Drought Conditions. Plantmaps.com. About; Data and Maps. ... Spokane Valley Outwash Plains: Current Drought Status: Exceptional Drought: Heat Zone Days: 15 - 30 days Over 86°F:Apr 22, 2019 · The Northwest Weather Service in Spokane says in the next couple of weeks the frost and freeze season will be over for most of the area. In Spokane, the last frost day is usually around the first ... The average date of last frost is April 15 in Spokane . You can expect an average low temperature of -5°F in the coldest months of winter. Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Spokane and it will vary from year to year.You have a small 20% chance of getting 32° by September 23. There is a 50% chance of being hit by a 32° frost starting around October 3. You have a 80% chance of seeing 32° by October 12. Said another way, you have a 1 in 5 chance at making it to that day without a 32° night. In the Fall.We review all the 529 plans available in the state of Washington. Here we provide information on each plan’s fee structure, who manages the program and other features you should kn...The average date of last frost is April 15 in Spokane. You should expect an average low temperature of -5°F in the coldest months of winter. It's important to remember that USDA zone info for Spokane may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year.A Myanmar judge sentenced two reporters who were reporting on the Rohingya crisis to seven years in prison. A Myanmar judge sentenced two Reuters journalists to seven years in pris...A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.

This report shows the past weather for Spokane, providing a weather history for 2023. It features all historical weather data series we have available, including the Spokane temperature history for 2023. You can drill down from year to month and even day level reports by clicking on the graphs.Average First Frost Date: Oct. 1 - Oct. 10: Average Last Frost Date: May 11 - May 20: Average Days With Frost: 125-150 Days: Plant Hardiness Zone - 2023: Zone 7a : 0°F to 5°F: Plant Hardiness Zone - 2012: Zone 6b : -5°F to 0°F: Current Drought Conditions: Normal: Köppen Climate Classification: Dsb - Humid Continental Climate - Dry Cool SummerEnter your ZIP code, city, or state below to find the average first and last frost date in spring and fall in your area: Pin it: Pin to Pinterest. What are Frost Dates? Frost dates are the day of the year when it is calculated to …Good Friday - Friday, April 7, 2023. Mother’s Day - Sunday, May 14, 2023. Last Assumed Frost Date in Spokane Area - Monday, May 15, 2023. Memorial Day - Monday, May 29, 2023. Father's Day - Sunday, June 18, 2023. Cole Crops: Broccoli, Brussel Sprouts, Cabbage, Lettuce, and Onions - Plant the first week of April all through the month.

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Hardiness Zones for ZIP Code 99223 - Spokane, Washington as Well as First/Last Frost Dates, Climate Averages and Drought Conditions. ... Additional Gardening Related Climate Data for ZIP Code 99223 - Spokane, Washington . 2023 Hardiness Zone ... Annual Climate Data for ZIP Code 99223 - Spokane, WA Jan Feb Mar Apr May Jun Jul Aug Sep Oct …Aug 25, 2022 ... Spokane Washington has a 203-day gap between last frost and first frost. Use these dates to plan when to plant your yard. Watch your local ...The average last frost date is a crucial piece of information for gardeners, farmers, and anyone involved in outdoor activities. It helps determine the optimal time to start planti... April Fool’s Day - Monday, April 1, 2024 Good Friday - Friday, March 29, 2024 Mother’s Day - Sunday, May 12, 2024 Last Assumed Frost Date in Spokane Area - Wednesday, May 15, 2024 Memorial Day - Monday, May 27, 2024 Father’s Day - Sunday, June 16, 2024 -----

A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.Last 16° Mar 11: Mar 2: Feb 23: Feb 18: Feb 13: Feb 7: Feb 2: Jan 26: Jan 17: Last 20° Mar 23: Mar 14: Mar 8: Mar 2: Feb 25: Feb 20: Feb 14: Feb 7: Jan 29: Last 24° Apr 17: Apr 9: Apr 3: Mar 29: Mar 25: Mar 20: Mar 15: Mar 9: Mar 1: Last 28° May 6: Apr 30: Apr 25: Apr 21: Apr 18: Apr 14: Apr 11: Apr 6: Mar 31: Last 32° May 18: May 12: May ...A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.See more reviews for this business. Best Fireplace Services in Spokane, WA - Frost Fire Service, Accent Fireplace + Spas, Fireplace Repair , Mr Chimney, Falco's, Adam & Sam Brothers, A-1 Rooftop Chimney Sweep, Quality Stoves & Spas, Wing Stoves and More, Fireplace Center.Frost Dates for Spokane, WA See 2024 Frost Dates for Your Location Use our 2024 Frost Dates Calculator to find the average dates of the last light freeze of spring and the first light freeze of fall for locations across the U.S. and Canada.Our frost date calculator will tell you precisely when your garden in Spokane, WA is at risk for frost. Frost Dates: First and last frost dates for Spokane, WA How to read these …Good Friday - Friday, April 7, 2023. Mother’s Day - Sunday, May 14, 2023. Last Assumed Frost Date in Spokane Area - Monday, May 15, 2023. Memorial Day - Monday, May 29, 2023. Father's Day - Sunday, June 18, 2023. Cole Crops: Broccoli, Brussel Sprouts, Cabbage, Lettuce, and Onions - Plant the first week of April all through the month.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.The NOAA Climate Center has issued a new interactive spring last frost date map for the U.S. ... Spokane, WA 99210 Customer Care: (509) 747-4422 Newsroom: (509) 459-5400Best Fireplace Services in Spokane, WA - Frost Fire Service, Accent Fireplace + Spas, Fireplace Repair , Mr Chimney, Falco's, Adam & Sam Brothers, A-1 Rooftop Chimney Sweep, Fireplace Center, Wing Stoves and More, Home Environments Stoves and SpasAug 8. Aug 14. Aug 20. Aug 25. Aug 30. Sep 5. Sep 11. Sep 21. Now that you know your frost dates, use our Garden Planting Calendar for Goldendale, Washington to know when to sow and transplant your various vegetable plants!

The Last Frost Date: The next wave of planting comes after our last frost date. In the Spokane, Washington area, our “official last frost date” is May 15th. It is an unusual year …

An Interactive Map of Average Last Frost Dates in Washington and a list of locations in Washington with Average Last Frost Dates. Plantmaps.com. About; ... Spokane Valley: May 11 - May 20: Sunnyside: May 1 - May 10: Tacoma: Apr. 1 - Apr. 10: Tukwila: Apr. 1 - Apr. 10: Tumwater: May 21 - May 31: University Place: Apr. 11 - Apr. 20:Planting Calendar for Pansies. Very tolerant of frost. Up to 7 weeks before last frost. Pansies tend to make it in quite a bit of cold which means that you can plant them much earlier in the year than plants that are more sensitive to the cold. The earliest that you can plant pansies in Spokane is February .Designed to assist gardeners of all skill levels, this guide is your tool for cultivating a bountiful and thriving garden in Washington’s distinct environmental landscape. First and Last Frost Dates. Frost: When temperatures are less than or equal to 36°F (2°C) but above 32°F (0°C) Freeze: Below 32°F (0°C) but above 29°F (-1.7°C)May 4 is the normal date of the last frost and freeze in Spokane and you could get a head start on planting your gardens. Skip Navigation. Share on Facebook; ... Spokane, WA » 49° Spokane, WA » ... A frost date is the average date of the last light freeze in spring or the first light freeze in fall. Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. Severe freeze: 24°F (-4.4°C) and colder—heavy damage to most garden plants. A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. In the Spokane, Washington area, our “official last frost date” is May 15th. It is an unusual year when we receive frost as late as May 15th, but it can happen. However, since it is unusual many people will plant around May 5th and provide warmth. They will also cover their plants on nights when the temperatures are around 32 degrees or below.

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A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.Manhattan, NY warning54 °F Fog. Schiller Park, IL (60176) 56 °F Partly Cloudy. Boston, MA 50 °F Mostly Cloudy. Houston, TX warning77 °F Cloudy. St James's, England, United Kingdom 57 °F ...A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.Frost Dates; Weather History; Gardening Gardening sub-navigation. Garden Planner App; Planting Dates Chart; Plant Growing Guides; Robin's Garden Blog; Pests & Diseases; …A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.Last Frost Date. The average date of last frost is April 15 in Spokane. In the coldest months of winter you can expect an average low temperature of -5°F. Since the USDA zone info for Spokane is not always accurate the actual date of last frost changes from year to … ….

First and Last Frost Dates. Frost: When temperatures are less than or equal to 36°F ... First Frost Date (Average) Last Frost Date (Average) First Freeze Date (Average) Last Freeze Date (Average) Spokane: Sep-30: May-10: Oct-12: Apr-28: Pullman: Sep-06: May-27: Sep-27: May-06: Omak: Sep-21: May-22: Oct ... WA 98121. Hours …Enter your zip code or postal code above. The 2024 gardening calendar tells you the ideal times WHEN TO PLANT vegetables, fruit, and herbs in your area. The chart lists: While you don't have to plant the very first date available, you don't want to wait too long, or you won't get your crops matured and harvested before the first fall/winter frost.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation.A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. Probability of earlier date in fall (beginning Aug 1) than indicated. Probability of longer than indicated freeze free period. Probability of Freeze/Frost in the yearly period (percent of days with temperatures at or below the threshold temperature). This popular Brazilian confection has a thing or two up its sleeve. Brazil is home to many wonderful things, not least of which is the brigadeiro. Constructed almost entirely of sw... A frost date is the average date of the last light freeze in spring or the first light freeze in fall. Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. Severe freeze: 24°F (-4.4°C) and colder—heavy damage to most garden plants. See all nearby weather stations. This report shows the past weather for Spokane, providing a weather history for 2022. It features all historical weather data series we have available, including the Spokane temperature history for 2022. You can drill down from year to month and even day level reports by clicking on the graphs. Last frost date spokane wa, 30-year snowfall averages at Spokane, 1991 to 2020. These averages don't show how much the snowfall in Spokane varies from year to year. In December, for instance, one in four years totals over 17.8 inches of snow. Another 25 percent of years receive less than 6.5 inches for the month. Similarly in January, fresh snowfall in the heaviest years ..., See the average first and last frost dates for locations across the U.S. and Canada with our frost dates calculator. Simply enter your postal code to see when the last spring frost date and first fall frost date typically occur in your area. Knowing local frost dates can improve your gardening by giving you an idea of when to start seeds indoors and …, On average, your last spring frost occurs on June 13 (at SPOKANE 17 SSW, WA climate station, elevation 2267 feet). Crop Based on Frost Dates Based on Moon Dates; Start Seeds Indoors Plant Seedlings or Transplants Start Seeds Outdoors Last Date to Plant; Arugula: Apr 18-May 2 Apr 18-23: May 23-Jun 6 May 23: May 16-23 May 16-23: Aug 2: Asparagus ..., A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation., Enter your zip code or postal code above. The 2024 gardening calendar tells you the ideal times WHEN TO PLANT vegetables, fruit, and herbs in your area. The chart lists: While you don't have to plant the very first date available, you don't want to wait too long, or you won't get your crops matured and harvested before the first fall/winter frost., Key Planting Dates for the Spokane Area 2024. Cole Crops: Broccoli, Brussel Sprouts, Cabbage, Lettuce, and Onions = Plant the first week of April and throughout the month. Beans = Plant after the frost ends (May 15th) when the soil temperature is at least 60 degrees. Beets = Plant the first week of April and throughout the month., A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation., Average First Frost Date: Oct. 1 - Oct. 10: Average Last Frost Date: May 11 - May 20: Average Days With Frost: 125-150 Days: Plant Hardiness Zone - 2023: Zone 7a : 0°F to 5°F: Plant Hardiness Zone - 2012: Zone 6b : -5°F to 0°F: Current Drought Conditions: Normal: Köppen Climate Classification: Dsb - Humid Continental Climate - Dry Cool …, Aug 24. Aug 28. Sep 1. Sep 4. Sep 7. Sep 11. Sep 16. Sep 21. Now that you know your frost dates, use our Garden Planting Calendar for St. John, WA to know when to sow and transplant your various vegetable plants!, SPOKANE, Wash. -- Even with cooler temperatures in 2023, one part of this fall season and the fall of 2022 is similar. The first freeze of the year remains elusive, Frost Dates: First and last frost dates for Pasco, Washington - Garden.org. How to read these charts for the spring. As the growing season approaches, the days get …, Today is Customer Appreciation Day! Save 10% on all regular price merchandise. In-store purchases only. , Apr 22, 2019 · The Northwest Weather Service in Spokane says in the next couple of weeks the frost and freeze season will be over for most of the area. In Spokane, the last frost day is usually around the first ... , Depending on the type of clover, it takes roughly 7 to 15 days to grow clover from seed indoors and then transplant them to your garden. And then another 10 to 12 weeks to bloom! For a specific date that you should start clover seeds indoors you should: Find the last average frost date HERE. And then subtract 7 days from it., Cullen-Frost Bankers News: This is the News-site for the company Cullen-Frost Bankers on Markets Insider Indices Commodities Currencies Stocks, This report shows the past weather for Spokane, providing a weather history for 2023. It features all historical weather data series we have available, including the Spokane temperature history for 2023. You can drill down from year to month and even day level reports by clicking on the graphs., First and Last Frost Dates. Frost: When temperatures are less than or equal to 36°F ... First Frost Date (Average) Last Frost Date (Average) First Freeze Date (Average) Last Freeze Date (Average) Spokane: Sep-30: May-10: Oct-12: Apr-28: Pullman: Sep-06: May-27: Sep-27: May-06: Omak: Sep-21: May-22: Oct ... WA 98121. Hours …, A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation., A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. , On average, your last spring frost occurs on May 1 (at SPOKANE FELTS FLD, WA climate station, elevation 1952 feet). Crop Based on Frost Dates Based on Moon Dates; Start Seeds Indoors Plant Seedlings or Transplants Start Seeds Outdoors Last Date to Plant; Arugula: Mar 5-20: Apr 10-24 Apr 10-23: Apr 3-10 Apr 8-10: Sep 9: Asparagus: N/A: N/A: …, A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation., Construction. Start Date: March 29, 2024. End Date ... Past the Highway 291 Take-out, at the confluence of Spokane ... WA and its representatives. All rights ..., A frost date is the average date of the last light freeze in spring or the first light freeze in fall. Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation. Severe freeze: 24°F (-4.4°C) and colder—heavy damage to most garden plants., First Fall Frost Growing Season; SPOKANE FELTS FLD, WA: 1952' May 1: Oct 7: 158 days: Last and first frost dates are 30% probability. Calculated using 1991-2020 Climate Normals from NOAA. What are 2024 Frost Dates? A frost date is the average date of the last light freeze in spring or the first light freeze in fall., A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation., A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation., The last frost date in Seattle can be as early as. March 22, but to be on the safe side, April 15-20 would be more. definitive. This information (now archived) can also be found on the web site of local. gardening expert, Ed Hume., May 4 is the normal date of the last frost and freeze in Spokane and you could get a head start on planting your gardens., An Interactive Map of Average Last Frost Dates in Washington and a list of locations in Washington with Average Last Frost Dates ... Spokane Valley: May 11 - May 20 ..., Aug 24. Aug 28. Sep 1. Sep 4. Sep 7. Sep 11. Sep 16. Sep 21. Now that you know your frost dates, use our Garden Planting Calendar for St. John, WA to know when to sow and transplant your various vegetable plants!, A frost date is the average date of the last light freeze in spring or the first light freeze in fall. The classification of freeze temperatures is based on their effect on plants: Light freeze: 29° to 32°F (-1.7° to 0°C)—tender plants are killed. Moderate freeze: 25° to 28°F (-3.9° to -2.2°C)—widely destructive to most vegetation., Average First Frost Date: September 21 - 30: Average Last Frost Date: May 11 - 20: Koppen-Geiger Climate Zone: Dsb - Humid Continental Climate - Dry Cool Summer: Ecoregion: 15s - Spokane Valley Outwash Plains: Current Drought Status: Exceptional Drought: Heat Zone Days: 15 - 30 days Over 86°F, In Spokane the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -5°F . It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Spokane and it can change quite a bit from year to year.