Chesterfield is a city of approximately 3,800 people in New Hampshire, United States. Located in the Eastern Time Zone at 42.9°N latitude.
In 2025, Chesterfield recorded an average annual temperature of 47°F — about 1.6°F below the 30-year normal of 48°F. The hottest day reached 93°F in June; the coldest was -12°F in January. Total precipitation was 47 inches (wetter than usual). The wettest month was May.
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