Windsor, in Illinois, United States, is home to roughly 1,200 people in the Central Time Zone at 39.4°N latitude.
In 2025, Windsor recorded an average annual temperature of 55°F — about 1.7°F above the 30-year normal of 53°F. The hottest day reached 96°F in June; the coldest was -3°F in December. Total precipitation was 31 inches (drier than usual). The wettest month was April.
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