Taking into account the local weather in Cooke City 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 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.