Planning for the weather is a good way to make your trip to Edson relaxing and enjoyable, especially when you’re splurging. The hottest months are usually July and August with an average temp of 57°F, while the coldest months are February and December with an average of 17°F. The snowiest months in Edson are February, March, January, and April, with each month seeing an average of 22 inches of snowfall.