If you’re looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in San Giovanni di Fassa: The hottest months are usually July and August, with an average temperature of 13°C, while the coldest months are January and February, with an average of -2°C. The snowiest months in San Giovanni di Fassa are February, January, March and December, with each month seeing an average of 349 cm of snowfall.