Weather will likely play an important role when you plan your trip to Edgemont, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and August with an average temp of 70°F, while the coldest months are February and December with an average of 29°F. The snowiest months in Edgemont are April, January, February, and December, with each month seeing an average of 9 inches of snowfall.