Taking into account the local weather in Valemount is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually July and August with an average temp of 57°F, while the coldest months are December and February with an average of 19°F. The snowiest months in Valemount are February, January, March, and December, with each month seeing an average of 75 inches of snowfall.