Grant County (Moses Lake)
May
Weather in Grant County, Washington for May 2026
Your guide to Grant County weather in May - trends and predictions
In general, the average temperature in Grant County at the beginning of May is 23.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 27 °F by the end of May.
With an average of 3 rainy days, Grant County experiences minimal rainfall in May.
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Temperatures
Rain 🌧️
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28
Dry days
3
Rainy days
0
Snow days
22°/8°
Temperatures
18 km/h
Avg max wind
51 %
Avg humidity
Grant County Weather May
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Temperatures trend during May in Grant County
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May weather in Grant County day by day
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Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
May 1 | Sunny | 25° /8° | 0 mm | 7 | |
May 2 | Sunny | 28° /8° | 0 mm | 7 | |
May 3 | Overcast | 18° /10° | 0 mm | 4 | |
May 4 | Sunny | 20° /3° | 0 mm | 6 | |
May 5 | Sunny | 22° /6° | 0 mm | 6 | |
May 6 | Sunny | 24° /6° | 0 mm | 6 | |
May 7 | Partly cloudy | 25° /8° | 0.2 mm | 7 | |
May 8 | Cloudy | 19° /6° | 0 mm | 4 | |
May 9 | Cloudy | 24° /6° | 0 mm | 5 | |
May 10 | Overcast | 25° /13° | 0 mm | 6 | |
May 11 | Moderate or heavy rain shower | 17° /11° | 2.5 mm | 4 | |
May 12 | Cloudy | 19° /8° | 0 mm | 4 | |
May 13 | Overcast | 19° /8° | 0 mm | 4 | |
May 14 | Overcast | 19° /8° | 0 mm | 4 | |
May 15 | Overcast | 21° /7° | 0 mm | 5 | |
May 16 | Overcast | 19° /9° | 0.7 mm | 4 | |
May 17 | Moderate rain at times | 19° /10° | 1.8 mm | 4 | |
May 18 | Patchy rain possible | 16° /7° | 0.2 mm | 4 | |
May 19 | Heavy rain at times | 16° /5° | 1.8 mm | 4 | |
May 20 | Overcast | 17° /8° | 0 mm | 4 | |
May 21 | Overcast | 18° /5° | 0 mm | 4 | |
May 22 | Overcast | 19° /11° | 0 mm | 4 | |
May 23 | Partly cloudy | 22° /9° | 0 mm | 6 | |
May 24 | Cloudy | 25° /10° | 0 mm | 6 | |
May 25 | Fog | 31° /8° | 0 mm | 7 | |
May 26 | Overcast | 23° /14° | 0 mm | 5 | |
May 27 | Partly cloudy | 24° /7° | 0 mm | 6 | |
May 28 | Sunny | 32° /10° | 0 mm | 8 | |
May 29 | Overcast | 22° /14° | 0 mm | 5 | |
May 30 | Mist | 26° /7° | 0 mm | 6 | |
May 31 | Partly cloudy | 31° /11° | 0 mm | 8 | |
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Important Notice
Our weather forecast for Grant 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 Grant County forecast closer to your planned date for the most up-to-date weather information.
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Grant County in May - FAQ
What are the expected maximum and minimum temperatures in Grant County during May?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Grant County during May?
Rainfall in Grant County during May is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 3 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Grant County during May?
The average wind speed in Grant County during May is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Grant County
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UV exposure in Grant County during May
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Get accurate weather forecasts for Grant County, located at latitude 47.13 and longitude -119.278. Stay updated with localized weather information tailored for Grant County.
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