How much snow has Rieseralm gotten this season and over the last few ski seasons? Rieseralm gets an average annual snowfall of 21cm of snow per year and on average has 3 snowfall days. Check out Rieseralm historical snowfall using the grid below with average Rieseralm snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.