Missoula (MT)
August
Weather in Missoula, Montana for August 2026
Your guide to Missoula weather in August - trends and predictions
In general, the average temperature in Missoula at the beginning of August is 28.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 26.1 °C by the end of August.
Missoula experiences moderate rainfall in August, with an average of 7 rainy days and a total precipitation of 59.2 mm.
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Temperatures
Rain 🌧️
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24
Dry days
7
Rainy days
0
Snow days
27°/12°
Temperatures
13 km/h
Avg max wind
49 %
Avg humidity
Missoula Weather August
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Temperatures trend during August in Missoula
See the weather trend as well as the moving average line
August weather in Missoula day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Sunny | 33° /13° | 0 mm | 9 | |
| Aug. 2 | Sunny | 29° /15° | 0.6 mm | 7 | |
| Aug. 3 |  Overcast | 32° /14° | 0 mm | 7 | |
| Aug. 4 |  Moderate rain at times | 22° /14° | 7.5 mm | 5 | |
| Aug. 5 | Overcast | 29° /11° | 2.9 mm | 7 | |
| Aug. 6 |  Patchy rain possible | 30° /13° | 0.1 mm | 7 | |
| Aug. 7 | Overcast | 24° /13° | 0 mm | 6 | |
| Aug. 8 |  Partly cloudy | 21° /9° | 4 mm | 6 | |
| Aug. 9 | Sunny | 27° /11° | 0 mm | 7 | |
| Aug. 10 | Patchy rain possible | 28° /12° | 0.3 mm | 7 | |
| Aug. 11 | Sunny | 29° /13° | 0 mm | 7 | |
| Aug. 12 |  Cloudy | 30° /13° | 0 mm | 7 | |
| Aug. 13 | Moderate or heavy rain shower | 28° /15° | 3.8 mm | 7 | |
| Aug. 14 | Overcast | 26° /13° | 0 mm | 7 | |
| Aug. 15 | Sunny | 28° /12° | 0.5 mm | 7 | |
| Aug. 16 | Moderate or heavy rain shower | 26° /12° | 0.9 mm | 6 | |
| Aug. 17 | Sunny | 28° /11° | 0 mm | 7 | |
| Aug. 18 | Overcast | 31° /12° | 0 mm | 7 | |
| Aug. 19 | Moderate or heavy rain shower | 31° /14° | 1.9 mm | 8 | |
| Aug. 20 | Cloudy | 28° /12° | 0 mm | 6 | |
| Aug. 21 | Overcast | 26° /11° | 0 mm | 7 | |
| Aug. 22 | Sunny | 28° /10° | 0 mm | 7 | |
| Aug. 23 | Cloudy | 31° /11° | 0 mm | 8 | |
| Aug. 24 | Patchy rain possible | 26° /11° | 0.1 mm | 6 | |
| Aug. 25 | Partly cloudy | 26° /12° | 0 mm | 7 | |
| Aug. 26 | Sunny | 28° /11° | 0 mm | 7 | |
| Aug. 27 | Patchy rain possible | 27° /12° | 2.3 mm | 6 | |
| Aug. 28 | Overcast | 17° /10° | 34.3 mm | 4 | |
| Aug. 29 | Sunny | 25° /7° | 0 mm | 7 | |
| Aug. 30 | Sunny | 29° /10° | 0 mm | 8 | |
| Aug. 31 | Sunny | 31° /11° | 0 mm | 8 | |
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Important Notice
Our weather forecast for Missoula in August 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 forecast closer to your planned date for the most up-to-date weather information.
Change Month
Missoula in August - FAQ
What are the expected maximum and minimum temperatures in Missoula during August?
Enjoy moderate daytime temperatures of up to 27° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Missoula during August?
Moderate rainfall is anticipated in Missoula during August, with a total of 59.2 mm spread over approximately 7 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Missoula during August?
The average wind speed in Missoula during August is 13 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Missoula
Explore the daily rainfall trends and prepare for Missoulas August weather 💧
Typically, Missoula has 7 rainy days in August with a total of 59.2 mm of rainfall.
UV exposure in Missoula during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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