Planning for the weather is a good way to make your trip to Cooke City relaxing and enjoyable, especially when you’re splurging. The hottest months are usually July and August with an average temp of 62°F, while the coldest months are February and December with an average of 22°F. The snowiest months in Cooke City are March, February, January, and December, with each month seeing an average of 29 inches of snowfall.