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 averaged an annual temperature of 42°F, with hottest temperatures reaching 88°F in August and lowest around -11°F in February. The city received approximately 37 inches of precipitation during the year.
View historical weather for LIslet sur Mer · More cities in Quebec