With a population of around 1,600, Richmond sits in Illinois, United States. The city operates in the Central Time Zone.
In 2025, Richmond recorded an average annual temperature of 54°F — about 0.8°F above the 30-year normal of 53°F. The hottest day reached 91°F in July; the coldest was -7°F in January. Total precipitation was 32 inches (drier than usual). Snowfall totaled 8 inches, below the 26-inch average. The wettest month was June.
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