About Lagrange, IN's Climate & Weather History

Lagrange is a city of approximately 2,700 people in Indiana, United States. Located in the America/Indiana/Indianapolis time zone at 41.6°N latitude.

In 2025, Lagrange recorded an average annual temperature of 50°F — right at the 30-year normal of 50°F. The hottest day reached 94°F in June; the coldest was -6°F in January. Total precipitation was 36 inches (near normal). The wettest month was July.