Milwaukee weather in August 2025

Expect 26°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Milwaukee in August. Check more long-term weather averages for Milwaukee in August before you book your next holiday to Wisconsin in 2025/2026.

  • 26°C maximum daytime temperature in August in Milwaukee26
    26°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in August in Milwaukee9
    9 days with some rainfall
  • 16°C minimum night-time temperature in August in Milwaukee16
    16°C min night temperature
  • 14 hours of daylight per day in August in Milwaukee14
    14 hours of daylight per day
  • Low heat & humidity in August in MilwaukeeL
    Low heat & humidity
  • 90 mm monthly rainfall in August in Milwaukee90
    90 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Milwaukee8
    8 (Very High) UV index
  • 21°C sea temperature in August in Milwaukee21
    21°C sea temperature

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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.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Milwaukee in August?

Daytime temperatures usually reach 26°C in Milwaukee in August with low heat and humidity, falling to 16°C at night.

How sunny is it in Milwaukee in August?

There are normally 9 hours of bright sunshine each day in Milwaukee in August - that's 65% of daylight hours.

How warm is the sea around Milwaukee in August?

The average sea temperature around Milwaukee in August is 21°C.

Does it rain in Milwaukee in August?

There are usually 9 days with some rain in Milwaukee in August and the average monthly rainfall is 90mm.

Milwaukee August sunrise & sunset times

Browse the sunrise and sunset times for Milwaukee in August 2025. Select a month to view Milwaukee sunrise and sunset times for the next 12 months.

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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