About Winnebago, IL

Winnebago, in Illinois, United States, is home to roughly 3,000 people in the Central Time Zone at 42.3°N latitude.

Winnebago has a humid continental climate. Average annual temperature is 49°F, with January lows around 15°F and July highs near 84°F. The city averages 37 inches of precipitation and 37 inches of snow per year. The wettest month is typically June; the driest is January.