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Weather in Spokane County, Washington for May 2026

Your guide to Spokane County weather in May - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Spokane County during May is quite rare, with fewer than 2 snowy days on average.
    According to Spokane County snow forecast for May 2026, no snow is expected in the next 2 weeks.

    • Temperatures

  • The forecast for the upcoming days in Spokane County predicts a temperature of 21.6 °F, which is slightly above the historical average.

  • In general, the average temperature in Spokane County at the beginning of May is 19 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 22 °F by the end of May.

    • Rain 🌧️

  • Spokane County experiences moderate rainfall in May, with an average of 6 rainy days and a total precipitation of 69.2 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
1
Snow days
Average temperatures
18°/8°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
59 %
Avg humidity

Spokane County Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
18°
2
Partly cloudy
21°
3
Partly cloudy
19°
4
Overcast
19°
5
Heavy snow
17°
6
Patchy light drizzle
19°
7
Sunny
20°
8
Sunny
26°
9
Sunny
22°
10
Sunny
23°
11
Sunny
22°
12
Sunny
26°
13
Sunny
28°
14
Sunny
29°
15
Patchy rain possible
15°
16
Patchy rain possible
18°
17
Patchy rain possible
15°
18
Sunny
18°
19
Partly cloudy
18°
20
Partly cloudy
20°
21
Sunny
23°
22
Patchy rain possible
12°
23
Partly cloudy
17°
24
Patchy rain possible
20°
25
Sunny
21°
26
Moderate rain at times
20°
27
Partly cloudy
22°
28
Cloudy
25°
29
Sunny
21°
30
Sunny
22°
31
Sunny
23°

Temperatures trend during May in Spokane County

See the weather trend as well as the moving average line

May weather in Spokane County day by day

Click on a date for more information
April June
Date Weather Temperatures Rain Snow More
May 1 Sunny
Sunny
 18° /5° 0.4 mm 0 cm
May 2 Partly cloudy
Partly cloudy
 21° /7° 0 mm 0 cm
May 3 Partly cloudy
Partly cloudy
 19° /8° 0 mm 0 cm
May 4 Overcast
Overcast
 19° /8° 0 mm 0 cm
May 5 Heavy snow
Heavy snow
 17° /6° 6.6 mm 5.3 cm
May 6 Patchy light drizzle
Patchy light drizzle
 19° /6° 0.3 mm 0 cm
May 7 Sunny
Sunny
 20° /6° 0 mm 0 cm
May 8 Sunny
Sunny
 26° /10° 0 mm 0 cm
May 9 Sunny
Sunny
 22° /7° 0 mm 0 cm
May 10 Sunny
Sunny
 23° /10° 0 mm 0 cm
May 11 Sunny
Sunny
 22° /8° 0 mm 0 cm
May 12 Sunny
Sunny
 26° /9° 0 mm 0 cm
May 13 Sunny
Sunny
 28° /11° 0 mm 0 cm
May 14 Sunny
Sunny
 29° /14° 0 mm 0 cm
May 15 Patchy rain possible
Patchy rain possible
 15° /13° 1.6 mm 0 cm
May 16 Patchy rain possible
Patchy rain possible
 18° /8° 1.1 mm 0 cm
May 17 Patchy rain possible
Patchy rain possible
 15° /7° 0.6 mm 0 cm
May 18 Sunny
Sunny
 18° /5° 0 mm 0 cm
May 19 Partly cloudy
Partly cloudy
 18° /8° 0.1 mm 0 cm
May 20 Partly cloudy
Partly cloudy
 20° /7° 0 mm 0 cm
May 21 Sunny
Sunny
 23° /7° 0 mm 0 cm
May 22 Patchy rain possible
Patchy rain possible
 12° /7° 2.4 mm 0 cm
May 23 Partly cloudy
Partly cloudy
 17° /6° 0 mm 0 cm
May 24 Patchy rain possible
Patchy rain possible
 20° /8° 0 mm 0 cm
May 25 Sunny
Sunny
 21° /8° 0.9 mm 0 cm
May 26 Moderate rain at times
Moderate rain at times
 20° /9° 0.4 mm 0 cm
May 27 Partly cloudy
Partly cloudy
 22° /8° 0.3 mm 0 cm
May 28 Cloudy
Cloudy
 25° /11° 0 mm 0 cm
May 29 Sunny
Sunny
 21° /10° 0.1 mm 0 cm
May 30 Sunny
Sunny
 22° /7° 0 mm 0 cm
May 31 Sunny
Sunny
 23° /9° 0 mm 0 cm
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Important Notice
Our weather forecast for Spokane County in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Spokane County forecast closer to your planned date for the most up-to-date weather information.
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Spokane County in May - FAQ

What are the expected maximum and minimum temperatures in Spokane County during May?

Enjoy moderate daytime temperatures of up to 18° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Spokane County during May?

Moderate rainfall is anticipated in Spokane County during May, with a total of 69.2 mm spread over approximately 6 days. Considering plans for rainy days is advisable.

Will it snow in Spokane County in May 2026?

Spokane County typically sees 7.975 cm of snowfall during May.

What are the typical wind conditions in Spokane County during May?

The average wind speed in Spokane County during May is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

Spokane County snow forecast May 2026

Track daily snowfall levels and discover Spokane County’s snowy potential this May ❄️
On average, Spokane County sees 1 snowy days during May, with approximately 8 cm of total snowfall.

May rainfall patterns in Spokane County

Explore the daily rainfall trends and prepare for Spokane Countys May weather 💧
Typically, Spokane County has 6 rainy days in May with a total of 69.2 mm of rainfall.

UV exposure in Spokane County during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Location coordinates Where is Spokane County?

Get accurate weather forecasts for Spokane County, located at latitude 47.66 and longitude -117.429. Stay updated with localized weather information tailored for Spokane County.

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