Taking into account the local weather in Les Îles-de-la-Madeleine can help you maximize your time at the pool during your trip. The hottest months are usually August and July with an average temp of 59°F, while the coldest months are February and January with an average of 27°F. The snowiest months in Les Îles-de-la-Madeleine are February, March, January, and April, with each month seeing an average of 13 inches of snowfall.