If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Mont-Laurier: The hottest months are usually July and August with an average temp of 60°F, while the coldest months are January and February with an average of 17°F. The snowiest months in Mont-Laurier are January, April, November, and December, with each month seeing an average of 11 inches of snowfall.