About Richton Park, IL

With a population of around 13,700, Richton Park sits in Illinois, United States. The city operates in the Central Time Zone.

Expect a humid continental climate in Richton Park: average highs of 85°F in midsummer, lows near 19°F in midwinter, and an annual mean of 52°F. Precipitation totals roughly 34 inches per year, concentrated around May, with February typically the driest month.