With a population of around 7,500, Herkimer sits in New York, United States. The city operates in the Eastern Time Zone.
In 2025, Herkimer recorded an average annual temperature of 47°F — right at the 30-year normal of 47°F. The hottest day reached 89°F in June; the coldest was -13°F in February. Total precipitation was 56 inches (wetter than usual). The wettest month was May.
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