How much snow has Ylläs gotten this season and over the last few ski seasons? Ylläs gets an average annual snowfall of 60cm of snow per year and on average has 14 annual snowfall days. The current 10-year snowfall record is 16cm, the average snow depth at Ylläs is 71cm. Check out Ylläs historical snowfall using the grid below with average Ylläs 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.