Taking into account the local weather in Blanche is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually August and July with an average temp of 61°F, while the coldest months are February and January with an average of 34°F. The snowiest months in Blanche are January, February, March, and April, with each month seeing an average of 10 inches of snowfall.