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Hamilton weather in August 2025
Expect 28°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Hamilton in August. Check more long-term weather averages for Hamilton 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
- 88°C min night temperature
- 1414 hours of daylight per day
- LLow heat & humidity
- 2929 mm of monthly rainfall
- 88 (Very High) UV index
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The August weather guide for Montana (Hamilton) 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 Hamilton in August?
Daytime temperatures usually reach 28°C in Hamilton in August with low heat and humidity, falling to 8°C at night.
How sunny is it in Hamilton in August?
There are normally 11 hours of bright sunshine each day in Hamilton in August - that's 77% of daylight hours.
Does it rain in Hamilton in August?
There are usually 8 days with some rain in Hamilton in August and the average monthly rainfall is 29mm.
Hamilton August sunrise & sunset times
Browse the sunrise and sunset times for Hamilton in August 2025. Select a month to view Hamilton sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 05:19 | 20:06 |
Saturday, 16th August 2025 | 05:37 | 19:43 |
Sunday, 31st August 2025 | 05:56 | 19:16 |
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