About Salem, IN's Climate & Weather History

Salem, in Indiana, United States, is home to roughly 6,200 people in the America/Indiana/Indianapolis time zone at 38.6°N latitude.

In 2025, Salem recorded an average annual temperature of 55°F — about 0.7°F above the 30-year normal of 54°F. The hottest day reached 93°F in August; the coldest was -4°F in January. Total precipitation was 48 inches (near normal). The wettest month was April.