ClimateForecastNovemberDecember >>

West Allis (WI) Climate by Month

The temperature in West Allis can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and very cold during the cooler months. It receives a reasonable amount of rain/snowfall. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

Visitors to West Allis can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 28°C in July. In January, the coolest month of the year, temperatures drop to a very cold -1°C. At night, expect cooler temperatures, averaging -10°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, West Allis experiences moderate precipitation patterns, averaging 977 mm yearly. West Allis can be quite wet during June, receiving approximately 141 mm of precipitation over 12 rainy days. In contrast January, experiences much drier conditions, with 36 mm of snowfall, spread across 10 snowy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

West Allis can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 3.5 hours of sunlight per day.

Monthly hours of sunshine

Data from: Milwaukee, the United States of America (7 KM, 4 Miles).

Daily hours of sunshine

Data from: Milwaukee, the United States of America (7 KM, 4 Miles).

The best time of year to visit West Allis in the United States of America

During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is winter in West Allis?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in West Allis?
    July has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in West Allis?
    The coldest month is January with an average maximum temperature of -1°C.
  • Which is the wettest month in West Allis?
    June tops the wettest month list with 141 mm of rainfall.
  • Which is the driest month in West Allis?
    January is the driest month with 36 mm of precipitation.
  • Which is the sunniest month in West Allis?
    July is the sunniest month with an average of 319 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for West Allis (WI)

    Fri   Nov 22
    9°C | 3°C
    NW 25 km/h
    overcast and no rain

    overcast and no rain

    Sat   Nov 23
    7°C | 2°C
    W 14 km/h
    broken clouds and no rain

    broken clouds and no rain

    Sun   Nov 24
    9°C | 2°C
    SE 14 km/h
    broken clouds and no rain

    broken clouds and no rain