Mount Vernon, in Maine, United States, is home to roughly 1,600 people in the Eastern Time Zone at 44.5°N latitude.
In 2025, Mount Vernon recorded an average annual temperature of 45°F. The hottest temperatures reached 94°F in August; the coolest were -9°F in January. Total precipitation for the year was 40 inches, with the wettest month being May. Snowfall for the year totaled approximately 22 inches.
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