Climate ▸Forecast ▸December ▸January ▸
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

Willmar (MN) Weather and Climate: A Comprehensive Guide

The temperature in Willmar can vary greatly throughout the year. The temperatures shift from warm to very cold. It receives a reasonable amount of rain/snowfall. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from comfortable to very cold in Willmar. Average daytime temperatures reach a comfortable 28°C in July. In January, the coolest month of the year, temperatures drop to a very cold -6°C.

At night, you can expect cooler temperatures, with averages dropping to around -16°C during this month. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Generally, Willmar has a moderate amount of precipitation, averaging 763 mm of rain/snowfall annually. Willmar can be quite wet during August, receiving approximately 134 mm of precipitation over 10 rainy days.

In contrast January, experiences much drier conditions, with 12 mm of snowfall, spread across 6 snowy days. For more details, please visit our Willmar Precipitation page.

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

Forecast for Willmar (MN)

Fri   Dec 27
4°C | 1°C
S 5 m/s
0.2 mm
overcast and slight rain

overcast and slight rain

Sat   Dec 28
6°C | -1°C
W 4 m/s
almost clear and no rain

almost clear and no rain

Sun   Dec 29
5°C | -2°C
E 3 m/s
0.5 mm
broken clouds and small chance of slight sleet

broken clouds and small chance of slight sleet

The best time of year to visit Willmar 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 Willmar?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Willmar?
    July has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Willmar?
    The coldest month is January with an average maximum temperature of -6°C.
  • Which is the wettest month in Willmar?
    August tops the wettest month list with 134 mm of rainfall.
  • Which is the driest month in Willmar?
    January is the driest month with 12 mm of precipitation.

  • 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.