How much snow has Grasgehren gotten this season and over the last few ski seasons? Grasgehren gets an average annual snowfall of 241cm of snow per year and on average has 19 annual snowfall days. The current 10-year snowfall record is 50cm, the average snow depth at Grasgehren is 98cm. Check out Grasgehren historical snowfall using the grid below with average Grasgehren 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.