About Ossipee, NH's Climate & Weather History

Ossipee, in New Hampshire, United States, is home to roughly 4,700 people in the Eastern Time Zone at 43.7°N latitude.

In 2025, Ossipee recorded an average annual temperature of 46°F — about 1.0°F above the 30-year normal of 45°F. The hottest day reached 96°F in June; the coldest was -9°F in February. Total precipitation was 39 inches (drier than usual). The wettest month was May.