How much snow has Lermoos - Grubigstein gotten this season and over the last few ski seasons? Lermoos - Grubigstein gets an average annual snowfall of 133cm of snow per year and on average has 14 annual snowfall days. The current 10-year snowfall record is 50cm, the average snow depth at Lermoos - Grubigstein is 99cm. Check out Lermoos - Grubigstein historical snowfall using the grid below with average Lermoos - Grubigstein 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.