Planning for the weather is an important factor for making your trip to Kaycee a success, especially when you're splurging. The hottest months are usually July and August with an average temp of 64°F, while the coldest months are February and December with an average of 24°F. The snowiest months in Kaycee are April, February, October, and March, with each month seeing an average of 8 inches of snowfall.