About Boothbay Harbor, ME's Climate & Weather History

Boothbay Harbor, in Maine, United States, is home to roughly 1,100 people in the Eastern Time Zone at 43.9°N latitude.

In 2025, Boothbay Harbor recorded an average annual temperature of 47°F. The hottest temperatures reached 94°F in June; the coolest were -7°F in February. Total precipitation for the year was 45 inches, with the wettest month being May. Snowfall for the year totaled approximately 19 inches.