Planning for the weather is a good way to make your trip to Baie-St-Paul relaxing and enjoyable, especially when you’re splurging. 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 16°F. The snowiest months in Baie-St-Paul are March, February, January, and April, with each month seeing an average of 153 inches of snowfall.