With a population of around 5,000, Moultonborough sits in New Hampshire, United States. The city operates in the Eastern Time Zone.
In 2025, Moultonborough recorded an average annual temperature of 45°F — right at the 30-year normal of 45°F. The hottest day reached 92°F in June; the coldest was -15°F in February. Total precipitation was 39 inches (drier than usual). The wettest month was May.
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