How much snow has Unterjoch gotten this season and over the last few ski seasons? Unterjoch gets an average annual snowfall of 225cm of snow per year and on average has 22 annual snowfall days. The current 10-year snowfall record is 40cm, the average snow depth at Unterjoch is 71cm. Check out Unterjoch historical snowfall using the grid below with average Unterjoch 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.