About Columbia, IL's Climate & Weather History

Columbia is a city of approximately 10,200 people in Illinois, United States. Located in the Central Time Zone at 38.4°N latitude.

In 2025, Columbia recorded an average annual temperature of 57°F — right at the 30-year normal of 57°F. The hottest day reached 95°F in July; the coldest was -0°F in February. Total precipitation was 43 inches (wetter than usual). The wettest month was April.