About Lac Megantic, 10

Lac Megantic, in Quebec, Canada, is home to roughly 5,700 people in the Eastern Time Zone at 45.6°N latitude.

Recent weather here gives a sense of typical conditions: in 2025, Lac Megantic recorded a mean annual temperature of 40°F, ranging from -17°F lows in February to 86°F highs in August, with about 40 inches of precipitation across the year.