Missoula County (Missoula)
May
Weather in Missoula County, Montana for May 2026
Your guide to Missoula County weather in May - trends and predictions
In general, the average temperature in Missoula County at the beginning of May is 19.1 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 25.9 °F by the end of May.
With an average of 5 rainy days, Missoula 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°/7°
Temperatures
12 km/h
Avg max wind
54 %
Avg humidity
Missoula County Weather May
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Temperatures trend during May in Missoula County
See the weather trend as well as the moving average line
May weather in Missoula County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Sunny | 19° /2° | 0 mm | 5 | |
| May 2 | Sunny | 24° /4° | 0 mm | 6 | |
| May 3 | Sunny | 25° /8° | 0 mm | 7 | |
| May 4 |  Patchy rain possible | 12° /6° | 0.3 mm | 3 | |
| May 5 | Patchy rain possible | 13° /5° | 1 mm | 3 | |
| May 6 | Sunny | 18° /0° | 0 mm | 5 | |
| May 7 |  Partly cloudy | 23° /2° | 0 mm | 6 | |
| May 8 |  Overcast | 20° /9° | 0 mm | 5 | |
| May 9 | Overcast | 24° /6° | 0 mm | 5 | |
| May 10 | Patchy rain possible | 27° /10° | 0.3 mm | 6 | |
| May 11 | Patchy rain possible | 22° /10° | 0.4 mm | 5 | |
| May 12 |  Moderate or heavy rain shower | 13° /8° | 3.5 mm | 3 | |
| May 13 | Patchy rain possible | 14° /6° | 0.2 mm | 3 | |
| May 14 | Moderate rain at times | 11° /6° | 2.3 mm | 3 | |
| May 15 | Patchy rain possible | 12° /6° | 0.8 mm | 3 | |
| May 16 | Patchy rain possible | 13° /3° | 0.9 mm | 3 | |
| May 17 | Overcast | 17° /6° | 0 mm | 4 | |
| May 18 |  Heavy rain at times | 10° /5° | 5.4 mm | 3 | |
| May 19 |  Cloudy | 14° /2° | 0 mm | 3 | |
| May 20 | Patchy rain possible | 12° /5° | 2.9 mm | 3 | |
| May 21 | Patchy rain possible | 14° /4° | 0.7 mm | 3 | |
| May 22 | Patchy rain possible | 16° /5° | 0.1 mm | 4 | |
| May 23 | Patchy rain possible | 16° /6° | 0.1 mm | 4 | |
| May 24 | Sunny | 21° /6° | 0 mm | 6 | |
| May 25 | Sunny | 26° /8° | 0 mm | 7 | |
| May 26 |  Thundery outbreaks possible | 23° /11° | 0 mm | 5 | |
| May 27 | Partly cloudy | 21° /11° | 0 mm | 6 | |
| May 28 | Overcast | 26° /10° | 0 mm | 6 | |
| May 29 | Thundery outbreaks possible | 28° /13° | 0 mm | 6 | |
| May 30 | Partly cloudy | 25° /13° | 0 mm | 7 | |
| May 31 | Sunny | 32° /13° | 0 mm | 8 | |
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Important Notice
Our weather forecast for Missoula 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 Missoula County forecast closer to your planned date for the most up-to-date weather information.
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Missoula County in May - FAQ
What are the expected maximum and minimum temperatures in Missoula County during May?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Missoula County during May?
Expect minimal rainfall in Missoula County during May, with a total of 18.9 mm over approximately 5 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Missoula County during May?
The average wind speed in Missoula County during May is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Missoula County
Explore the daily rainfall trends and prepare for Missoula Countys May weather 💧
UV exposure in Missoula County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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Where is Missoula County?Get accurate weather forecasts for Missoula County, located at latitude 46.872 and longitude -113.994. Stay updated with localized weather information tailored for Missoula County.
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