How much snow has Rothenthurm gotten this season and over the last few ski seasons? Rothenthurm gets an average annual snowfall of 228cm of snow per year and on average has 12 annual snowfall days. The current 10-year snowfall record is 80cm, the average snow depth at Rothenthurm is 18cm. Check out Rothenthurm historical snowfall using the grid below with average Rothenthurm 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.