Westchester is a city of approximately 16,700 people in Illinois, United States. Located in the Central Time Zone at 41.9°N latitude.
Westchester has a humid continental climate. Average annual temperature is 52°F, with January lows around 19°F and July highs near 85°F. The city averages 34 inches of precipitation per year. The wettest month is typically May; the driest is February.
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