Chelsea, in Quebec, Canada, is home to roughly 8,000 people in the Eastern Time Zone at 45.5°N latitude.
In 2025, Chelsea recorded an average annual temperature of 43°F. The hottest temperatures reached 92°F in August; the coolest were -13°F in January. Total precipitation for the year was 39 inches, with the wettest month being July. Snowfall for the year totaled approximately 27 inches.
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