How much snow has Sogn gotten this season and over the last few ski seasons? Sogn gets an average annual snowfall of 111cm of snow per year and on average has 9 annual snowfall days. The current 10-year snowfall record is 40cm, the average snow depth at Sogn is 32cm. Check out Sogn historical snowfall using the grid below with average Sogn 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.