Wisconsin weather averages

Going to Wisconsin? Find the best month to visit Wisconsin based on the weather.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Check Wisconsin weather averages before you book your next holiday in 2018/2019. The average maximum daytime temperature in Wisconsin in September is 22°C. The holiday weather guide shown above is for Milwaukee.

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

Wisconsin weather averages: best month

Wisconsin Best month Averages
Warmest July 27°C
Sunniest June & July 10 hours per day
Least rain August 9 days
Warmest sea August 21°C

Wisconsin climate guide

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Tropical storm risk: Wisconsin hurricane season

% of month affected by tropical storms
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The Wisconsin tropical storm risk chart above shows the hurricane season for Milwaukee, Wisconsin.

More about tropical storms

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Wisconsin weather averages by month

Check Wisconsin holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare Wisconsin weather with the USA

Below the Wisconsin weather chart shows maximum daytime temperature for Wisconsin, USA (Milwaukee) and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Wisconsin, USA (Milwaukee)
USA (Washington)
Jan
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May
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Jul
Aug
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Oct
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Dec

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

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More Wisconsin destinations

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

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