Manhattan is a city of approximately 7,400 people in Illinois, United States. Located in the Central Time Zone at 41.4°N latitude.
In 2025, Manhattan recorded an average annual temperature of 51°F — about 1.2°F below the 30-year normal of 52°F. The hottest day reached 92°F in June; the coldest was -8°F in January. Total precipitation was 37 inches (wetter than usual). The wettest month was July.
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