How much snow has Bumbach Schangnau gotten this season and over the last few ski seasons? Bumbach Schangnau gets an average annual snowfall of 127cm of snow per year and on average has 13 annual snowfall days. The current 10-year snowfall record is 40cm, the average snow depth at Bumbach Schangnau is 52cm. Check out Bumbach Schangnau historical snowfall using the grid below with average Bumbach Schangnau 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.