When you're planning your trip to L'Ile-du-Havre-Aubert, year-round temperatures and rainfall may be important factors to consider. 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 L'Ile-du-Havre-Aubert are February, March, January, and April, with each month seeing an average of 13 inches of snowfall.