How much snow has Pian Neiretto gotten this season and over the last few ski seasons? Pian Neiretto gets an average annual snowfall of 11cm of snow per year and on average has 2 snowfall days. Check out Pian Neiretto historical snowfall using the grid below with average Pian Neiretto snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.