LIslet sur Mer, in Quebec, Canada, is home to roughly 3,800 people in the Eastern Time Zone at 47.1°N latitude.
In 2025, LIslet sur Mer recorded an average annual temperature of 42°F. The hottest temperatures reached 88°F in August; the coolest were -11°F in February. Total precipitation for the year was 37 inches, with the wettest month being July. Snowfall for the year totaled approximately 28 inches.
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