When you're traveling with pets, keeping track of the weather can help you make the trip more safe and fun for everyone. The hottest months are usually July and August with an average temp of 56°F, while the coldest months are January and February with an average of 28°F. The snowiest months in San Martino di Castrozza are February, January, March, and December, with each month seeing an average of 137 inches of snowfall.