About Worth, IL's Climate & Weather History

Worth is a city of approximately 10,800 people in Illinois, United States. Located in the Central Time Zone at 41.7°N latitude.

In 2025, Worth recorded an average annual temperature of 51°F. The hottest temperatures reached 95°F in August; the coolest were -8°F in February. Total precipitation for the year was 38 inches, with the wettest month being July. Snowfall for the year totaled approximately 11 inches.