About Mount Sterling, IL

Mount Sterling is a city of approximately 2,000 people in Illinois, United States. Located in the Central Time Zone at 40°N latitude.

Expect a humid continental climate in Mount Sterling: average highs of 86°F in midsummer, lows near 19°F in midwinter, and an annual mean of 53°F. Precipitation totals roughly 36 inches per year, concentrated around May, with January typically the driest month.