How much snow has Unterberg - Pernitz gotten this season and over the last few ski seasons? Unterberg - Pernitz gets an average annual snowfall of 14cm of snow per year and on average has 2 snowfall days. Check out Unterberg - Pernitz historical snowfall using the grid below with average Unterberg - Pernitz snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.