Silvis, in Illinois, United States, is home to roughly 7,500 people in the Central Time Zone at 41.5°N latitude.
In 2025, Silvis recorded an average annual temperature of 52°F — about 2.5°F above the 30-year normal of 50°F. The hottest day reached 97°F in June; the coldest was -11°F in January. Total precipitation was 32 inches (drier than usual). The wettest month was July.
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