How much snow has Obersaxen Mundaun gotten this season and over the last few ski seasons? Obersaxen Mundaun gets an average annual snowfall of 256cm of snow per year and on average has 17 snowfall days. Check out Obersaxen Mundaun historical snowfall using the grid below with average Obersaxen Mundaun snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.