About Lake Holiday, IL's Climate & Weather History

Lake Holiday is a city of approximately 4,800 people in Illinois, United States. Located in the Central Time Zone at 41.6°N latitude.

In 2025, Lake Holiday recorded an average annual temperature of 51°F — about 1.9°F above the 30-year normal of 49°F. The hottest day reached 92°F in June; the coldest was -9°F in February. Total precipitation was 34 inches (near normal). The wettest month was July.