About Monroe, WI's Climate & Weather History

With a population of around 10,800, Monroe sits in Wisconsin, United States. The city operates in the Central Time Zone.

In 2025, Monroe recorded an average annual temperature of 49°F. The hottest temperatures reached 92°F in June; the coolest were -13°F in January. Total precipitation for the year was 33 inches, with the wettest month being June. Snowfall for the year totaled approximately 11 inches.