How much snow has Sarn - Heinzenberg gotten this season and over the last few ski seasons? Sarn - Heinzenberg gets an average annual snowfall of 159cm of snow per year and on average has 17 snowfall days. Check out Sarn - Heinzenberg historical snowfall using the grid below with average Sarn - Heinzenberg snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.