How much snow has Stoos gotten this season and over the last few ski seasons? Stoos gets an average annual snowfall of 289cm of snow per year and on average has 27 annual snowfall days. The current 10-year snowfall record is 70cm, the average snow depth at Stoos is 98cm. Check out Stoos historical snowfall using the grid below with average Stoos 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.