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Butte weather in August 2025
Expect 25°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Butte in August. Check more long-term weather averages for Butte in August before you book your next holiday to Montana in 2025/2026.
- 25°C max day temperature
25 - 10 hours of sunshine per day
- 8 days with some rainfall
8 - 7°C min night temperature
7 - 14 hours of daylight per day
14 - No heat & humidity
0 - 35 mm of monthly rainfall
35 - 8 (Very High) UV index
8
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The August weather guide for Montana (Butte) 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 Butte in August?
Daytime temperatures usually reach 25°C in Butte in August with no heat and humidity, falling to 7°C at night.
How sunny is it in Butte in August?
There are normally 10 hours of bright sunshine each day in Butte in August - that's 73% of daylight hours.
Does it rain in Butte in August?
There are usually 8 days with some rain in Butte in August and the average monthly rainfall is 35mm.
Butte August sunrise & sunset times
Browse the sunrise and sunset times for Butte in August 2025. Select a month to view Butte sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 05:13 | 19:59 |
| Saturday, 16th August 2025 | 05:31 | 19:36 |
| Sunday, 31st August 2025 | 05:50 | 19:10 |
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