How much snow has Prato Selva gotten this season and over the last few ski seasons? Prato Selva gets an average annual snowfall of 9cm of snow per year and on average has 2 snowfall days. Check out Prato Selva historical snowfall using the grid below with average Prato Selva snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.