Douglas is a city of approximately 20,300 people in Illinois, United States. Located in the Central Time Zone at 41.8°N latitude.
Expect a humid continental climate in Douglas: 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.
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