Chelan County (Wenatchee)
May
Weather in Chelan County, Washington for May 2026
Your guide to Chelan County weather in May - trends and predictions
In general, the average temperature in Chelan County at the beginning of May is 21 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 21.9 °F by the end of May.
With an average of 5 rainy days, Chelan County experiences minimal rainfall in May.
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Temperatures
Rain 🌧️
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26
Dry days
5
Rainy days
0
Snow days
19°/5°
Temperatures
15 km/h
Avg max wind
58 %
Avg humidity
Chelan County Weather May
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Temperatures trend during May in Chelan County
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May weather in Chelan County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Sunny | 22° /5° | 0 mm | 6 | |
| May 2 | Sunny | 26° /7° | 0 mm | 7 | |
| May 3 |  Overcast | 16° /6° | 0.9 mm | 4 | |
| May 4 |  Partly cloudy | 16° /1° | 0 mm | 5 | |
| May 5 |  Cloudy | 20° /1° | 0 mm | 5 | |
| May 6 | Sunny | 22° /6° | 0 mm | 6 | |
| May 7 | Partly cloudy | 25° /7° | 0 mm | 7 | |
| May 8 | Overcast | 18° /4° | 0 mm | 4 | |
| May 9 | Partly cloudy | 23° /5° | 0 mm | 6 | |
| May 10 | Overcast | 23° /10° | 0 mm | 5 | |
| May 11 | Overcast | 19° /6° | 0 mm | 4 | |
| May 12 | Cloudy | 18° /3° | 0 mm | 4 | |
| May 13 |  Moderate or heavy rain shower | 20° /4° | 2.4 mm | 5 | |
| May 14 | Partly cloudy | 17° /8° | 0 mm | 5 | |
| May 15 | Overcast | 18° /6° | 0.2 mm | 4 | |
| May 16 | Cloudy | 17° /5° | 0 mm | 4 | |
| May 17 |  Thundery outbreaks possible | 16° /8° | 0 mm | 4 | |
| May 18 | Partly cloudy | 15° /5° | 0 mm | 5 | |
| May 19 | Overcast | 16° /3° | 0 mm | 4 | |
| May 20 | Sunny | 15° /4° | 0 mm | 5 | |
| May 21 |  Patchy rain possible | 16° /3° | 0.8 mm | 5 | |
| May 22 | Overcast | 15° /7° | 0 mm | 4 | |
| May 23 | Patchy rain possible | 19° /5° | 0.1 mm | 5 | |
| May 24 | Moderate rain at times | 22° /6° | 0.9 mm | 6 | |
| May 25 | Overcast | 22° /7° | 0 mm | 6 | |
| May 26 | Overcast | 19° /5° | 0 mm | 5 | |
| May 27 | Partly cloudy | 22° /5° | 0 mm | 6 | |
| May 28 | Patchy rain possible | 25° /8° | 0.2 mm | 6 | |
| May 29 | Patchy rain possible | 19° /8° | 3.9 mm | 5 | |
| May 30 | Sunny | 21° /4° | 0 mm | 5 | |
| May 31 | Partly cloudy | 25° /4° | 0 mm | 6 | |
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Important Notice
Our weather forecast for Chelan 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 Chelan County forecast closer to your planned date for the most up-to-date weather information.
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Chelan County in May - FAQ
What are the expected maximum and minimum temperatures in Chelan County during May?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 5°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Chelan County during May?
Rainfall in Chelan County during May is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 5 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 Chelan County during May?
The average wind speed in Chelan County during May is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Chelan County
Explore the daily rainfall trends and prepare for Chelan Countys May weather 💧
UV exposure in Chelan County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Where is Chelan County?Get accurate weather forecasts for Chelan County, located at latitude 47.423 and longitude -120.31. Stay updated with localized weather information tailored for Chelan County.
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