How much snow has Lermoos - Grubigstein gotten this season and over the last few ski seasons? Lermoos - Grubigstein gets an average annual snowfall of 127cm of snow per year and on average has 14 snowfall days. Check out Lermoos - Grubigstein historical snowfall using the grid below with average Lermoos - Grubigstein snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.