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Berthier-sur-Mer in Quebec has a humid continental climate with four distinct seasons. The average temperature year-round is around 6.5°C (43.7°F).
In the winter, temperatures range from -7°C (19°F) to -2°C (28°F). It usually snows during this time, and snowstorms are common. The average snowfall in the winter is 84 cm (33 in).
Spring is mild with temperatures ranging from 0°C (32°F) to 16°C (60.8°F). The average precipitation is around 92 mm (3.6 in).
Summer is warm and humid, with temperatures ranging from 17°C (62.6°F) to 24°C (75.2°F). The average precipitation is around 33 mm (1.3 in).
Fall is cool and wet, with temperatures ranging from 6°C (42.8°F) to 16°C (60.8°F). The average precipitation is around 75 mm (2.9 in).
As of 2020, the city population is 1398.
This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Berthier-sur-Mer, Quebec.