About Lewiston, ME's Climate & Weather History

With a population of around 36,200, Lewiston sits in Maine, United States. The city operates in the Eastern Time Zone.

In 2025, Lewiston recorded an average annual temperature of 46°F. The hottest temperatures reached 95°F in June; the coolest were -9°F in January. Total precipitation for the year was 38 inches, with the wettest month being May. Snowfall for the year totaled approximately 21 inches.