About Acton, ME's Climate & Weather History

Acton, in Maine, United States, is home to roughly 2,200 people in the Eastern Time Zone at 43.5°N latitude.

In 2025, Acton recorded an average annual temperature of 47°F — about 1.2°F below the 30-year normal of 48°F. The hottest day reached 95°F in June; the coldest was -5°F in March. Total precipitation was 41 inches (near normal). The wettest month was May.