Planning for the weather is an important factor for making your trip to San Martino in Passiria a success, especially when you're splurging. The hottest months are usually July and August, with an average temperature of 10°C, while the coldest months are January and February, with an average of -7°C. The rainiest months in San Martino in Passiria are August, July, June and May, with each month seeing an average of 234 mm of rainfall.