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Madison weather in August 2025
Expect 27°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Madison in August. Check more long-term weather averages for Madison in August before you book your next holiday to Wisconsin in 2025/2026.
- 27°C max day temperature
27 - 9 hours of sunshine per day
- 10 days with some rainfall
10 - 14°C min night temperature
14 - 14 hours of daylight per day
14 - Low heat & humidity
L - 102 mm of monthly rainfall
102 - 8 (Very High) UV index
8
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Recommended for Wisconsin
The August weather guide for Wisconsin (Madison) 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 Madison in August?
Daytime temperatures usually reach 27°C in Madison in August with low heat and humidity, falling to 14°C at night.
How sunny is it in Madison in August?
There are normally 9 hours of bright sunshine each day in Madison in August - that's 63% of daylight hours.
Does it rain in Madison in August?
There are usually 10 days with some rain in Madison in August and the average monthly rainfall is 102mm.
Madison August sunrise & sunset times
Browse the sunrise and sunset times for Madison in August 2025. Select a month to view Madison sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 04:49 | 19:18 |
| Saturday, 16th August 2025 | 05:05 | 18:58 |
| Sunday, 31st August 2025 | 05:21 | 18:33 |
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