How much snow has Galtür - Silvretta gotten this season and over the last few ski seasons? Galtür - Silvretta gets an average annual snowfall of 472cm of snow per year and on average has 37 snowfall days. Check out Galtür - Silvretta historical snowfall using the grid below with average Galtür - Silvretta snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.