How much snow has Boltigen gotten this season and over the last few ski seasons? Boltigen gets an average annual snowfall of 168cm of snow per year and on average has 14 annual snowfall days. The current 10-year snowfall record is 50cm, the average snow depth at Boltigen is 50cm. Check out Boltigen historical snowfall using the grid below with average Boltigen snow stats that includes: Average Snowfall, Max Base Depth, Biggest Snowfall, Snowfall Days and Average Base Depth. Click on the Annual Tab to see every year since the 2013-2014 season.