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 maximum daytime temperature in August in Madison27
    27°C max day temperature
  • 9 hours of sunshine per day
  • 10 days with some rainfall in August in Madison10
    10 days with some rainfall
  • 14°C minimum night-time temperature in August in Madison14
    14°C min night temperature
  • 14 hours of daylight per day in August in Madison14
    14 hours of daylight per day
  • Low heat & humidity in August in MadisonL
    Low heat & humidity
  • 102 mm monthly rainfall in August in Madison102
    102 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Madison8
    8 (Very High) UV index

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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)

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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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