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Wisconsin weather in August 2025
Expect 26°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Wisconsin in August. Check more long-term weather averages for Wisconsin in August before you book your next holiday to Wisconsin in 2025/2026.
- 2626°C max day temperature
- 9 hours of sunshine per day
- 99 days with some rainfall
- 1616°C min night temperature
- 1414 hours of daylight per day
- LLow heat & humidity
- 9090 mm of monthly rainfall
- 88 (Very High) UV index
- 2121°C sea temperature
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Recommended for Wisconsin
The August weather guide for Wisconsin (Milwaukee) 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.
Top Wisconsin destinations
Below are average maximum temperatures at popular countries, regions and places in Wisconsin in August. Select a holiday destination to see more weather parameters.
All Wisconsin destinations
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Wisconsin in August?
Daytime temperatures usually reach 26°C in Milwaukee, Wisconsin in August with low heat and humidity, falling to 16°C at night.
How sunny is it in Wisconsin in August?
There are normally 9 hours of bright sunshine each day in Milwaukee, Wisconsin in August - that's 65% of daylight hours.
How warm is the sea around Wisconsin in August?
The average sea temperature around Milwaukee, Wisconsin in August is 21°C.
Does it rain in Wisconsin in August?
There are usually 9 days with some rain in Milwaukee, Wisconsin in August and the average monthly rainfall is 90mm.
Wisconsin August sunrise & sunset times
Browse the sunrise and sunset times for Wisconsin in August 2025. Select a month to view Wisconsin sunrise and sunset times for the next 12 months. The Wisconsin sunrise and sunset times shown below are for Milwaukee.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 04:43 | 19:12 |
Saturday, 16th August 2025 | 04:59 | 18:52 |
Sunday, 31st August 2025 | 05:15 | 18:28 |
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