Taking the local weather in Saint-Philemon into account can help you maximise your time at the pool during your trip. The hottest months are usually July and August, with an average temperature of 17°C, while the coldest months are January and February, with an average of -8°C. The snowiest months in Saint-Philemon are January, February, March and November, with each month seeing an average of 119 cm of snowfall.