About Hanover Park, IL

Hanover Park is a city of approximately 38,300 people in Illinois, United States. Located in the Central Time Zone at 42°N latitude.

Expect a humid continental climate in Hanover Park: average highs of 84°F in midsummer, lows near 16°F in midwinter, and an annual mean of 50°F. Precipitation totals roughly 33 inches per year, concentrated around May, with February typically the driest month.