Taking into account the local weather in Carsonville 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 66°F, while the coldest months are February and January with an average of 28°F. The snowiest months in Carsonville are January, March, February, and December, with each month seeing an average of 11 inches of snowfall.