Planning for the weather is a good way to make your trip to Campo Carlo Magno relaxing and enjoyable, especially when you're splurging. The hottest months are usually July and August with an average temp of 55°F, while the coldest months are January and February with an average of 25°F. The snowiest months in Campo Carlo Magno are March, February, May, and January, with each month seeing an average of 108 inches of snowfall.