Taking the local weather in Riviere-Ouelle 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 15°C, while the coldest months are January and February, with an average of -9°C. The snowiest months in Riviere-Ouelle are January, February, March and April, with each month seeing an average of 83 cm of snowfall.