How much snow has Muttereralm gotten this season and over the last few ski seasons? Muttereralm gets an average annual snowfall of 45cm of snow per year and on average has 5 snowfall days. Check out Muttereralm historical snowfall using the grid below with average Muttereralm snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.