Rochester is a city of approximately 3,800 people in Illinois, United States. Located in the Central Time Zone at 39.7°N latitude.
Rochester has a humid continental climate. Average annual temperature is 54°F, with January lows around 20°F and July highs near 87°F. The city averages 38 inches of precipitation and 22 inches of snow per year. The wettest month is typically June; the driest is February.
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