About Batavia, IL's Climate & Weather History

Batavia is a city of approximately 26,500 people in Illinois, United States. Located in the Central Time Zone at 41.9°N latitude.

In 2025, Batavia recorded an average annual temperature of 51°F — about 1.3°F above the 30-year normal of 49°F. The hottest day reached 93°F in May; the coldest was -10°F in February. Total precipitation was 34 inches (near normal). The wettest month was July.