How much snow has Achensee - Pertisau gotten this season and over the last few ski seasons? Achensee - Pertisau gets an average annual snowfall of 81cm of snow per year and on average has 11 snowfall days. Check out Achensee - Pertisau historical snowfall using the grid below with average Achensee - Pertisau snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.