Dayton is a city of approximately 1,600 people in Indiana, United States. Located in the America/Indiana/Indianapolis time zone at 40.4°N latitude.
In 2025, Dayton recorded an average annual temperature of 53°F — about 2.0°F above the 30-year normal of 51°F. The hottest day reached 95°F in June; the coldest was -4°F in January. Total precipitation was 29 inches (drier than usual). The wettest month was April.
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