About Hampton, IL's Climate & Weather History

Hampton is a city of approximately 1,800 people in Illinois, United States. Located in the Central Time Zone at 41.6°N latitude.

In 2025, Hampton recorded an average annual temperature of 52°F — about 1.9°F above the 30-year normal of 50°F. The hottest day reached 95°F in June; the coldest was -11°F in January. Total precipitation was 32 inches (drier than usual). The wettest month was July.