Planning for the weather is a good way to make your trip to Silz relaxing and enjoyable, especially when you’re splurging. The hottest months are usually August and July, with an average temperature of 8°C, while the coldest months are January and February, with an average of -7°C. The snowiest months in Silz are April, May, November and January, with each month seeing an average of 13 cm of snowfall.