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Missoula weather in August 2025
Expect 28°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Missoula in August. Check more long-term weather averages for Missoula in August before you book your next holiday to Montana in 2025/2026.
- 2828°C max day temperature
- 11 hours of sunshine per day
- 88 days with some rainfall
- 99°C min night temperature
- 1414 hours of daylight per day
- LLow heat & humidity
- 3131 mm of monthly rainfall
- 77 (High) UV index
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Recommended for Montana
The August weather guide for Montana (Missoula) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Missoula in August?
Daytime temperatures usually reach 28°C in Missoula in August with low heat and humidity, falling to 9°C at night.
How sunny is it in Missoula in August?
There are normally 11 hours of bright sunshine each day in Missoula in August - that's 76% of daylight hours.
Does it rain in Missoula in August?
There are usually 8 days with some rain in Missoula in August and the average monthly rainfall is 31mm.
Missoula August sunrise & sunset times
Browse the sunrise and sunset times for Missoula in August 2025. Select a month to view Missoula sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 05:16 | 20:08 |
Saturday, 16th August 2025 | 05:35 | 19:44 |
Sunday, 31st August 2025 | 05:55 | 19:17 |
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