About Astoria, IL's Climate & Weather History

Astoria, in Illinois, United States, is home to roughly 1,100 people in the Central Time Zone at 40.2°N latitude.

In 2025, Astoria recorded an average annual temperature of 54°F. The hottest temperatures reached 95°F in June; the coolest were -8°F in January. Total precipitation for the year was 33 inches, with the wettest month being July. Snowfall for the year totaled approximately 8 inches.