With a population of around 5,800, Ada sits in Ohio, United States. The city operates in the Eastern Time Zone.
In 2025, Ada recorded an average annual temperature of 51°F — right at the 30-year normal of 51°F. The hottest day reached 92°F in June; the coldest was -8°F in January. Total precipitation was 36 inches (near normal). The wettest month was May.
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