How much snow has Galsterbergalm gotten this season and over the last few ski seasons? Galsterbergalm gets an average annual snowfall of 152cm of snow per year and on average has 12 snowfall days. Check out Galsterbergalm historical snowfall using the grid below with average Galsterbergalm snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.