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West Allis climate

Typical historical weather for West Allis, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.

Want today's actual conditions instead? See the current forecast for West Allis.

Annual average

9.4°C

across all months

Warmest month

25.5°C

Jul average high

Coolest month

-6.8°C

Jan average low

Annual rainfall

952mm

total per year

Monthly averages

Average daily high/low temperature (band) and monthly rainfall (bars).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high Avg low Rainfall

Records on file

Hottest day

34.8°C

23 August 2023

Coldest day

-29°C

30 January 2019

Wettest day

82.2mm

17 May 2020

Windiest day

10.8m/s

14 April 2018

See the detail: West Allis on 17 May 2020.