Planning for the weather is a good way to make your trip to San Vigilio relaxing and enjoyable, especially when you’re splurging. The hottest months are usually July and August, with an average temperature of 12°C, while the coldest months are January and February, with an average of -5°C. The snowiest months in San Vigilio are February, January, March and December, with each month seeing an average of 349 cm of snowfall.