Washburn is a city of approximately 1,100 people in Illinois, United States. Located in the Central Time Zone at 40.9°N latitude.
In 2025, Washburn recorded an average annual temperature of 53°F — right at the 30-year normal of 53°F. The hottest day reached 95°F in May; the coldest was -9°F in January. Total precipitation was 30 inches (drier than usual). Snowfall totaled 9 inches, below the 26-inch average. The wettest month was July.
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