About Lebanon, IL

Lebanon, in Illinois, United States, is home to roughly 4,500 people in the Central Time Zone at 38.6°N latitude.

Expect a humid continental climate in Lebanon: average highs of 90°F in midsummer, lows near 24°F in midwinter, and an annual mean of 58°F. Precipitation totals roughly 43 inches per year and 11 inches of snow, concentrated around May, with February typically the driest month.