About Ashburn, IL's Climate & Weather History

Ashburn, in Illinois, United States, is home to roughly 42,800 people in the Central Time Zone at 41.7°N latitude.

In 2025, Ashburn recorded an average annual temperature of 51°F. The hottest temperatures reached 96°F in July; the coolest were -7°F in February. Total precipitation for the year was 36 inches, with the wettest month being July. Snowfall for the year totaled approximately 11 inches.