Though weather is just one factor, it can really affect your travel plans, especially when you are planning a longer stay in L'Anse-au-Clair. The hottest months are usually August and July with an average temp of 53°F, while the coldest months are February and January with an average of 17°F. The snowiest months in L'Anse-au-Clair are February, January, April, and March, with each month seeing an average of 76 inches of snowfall.