How much snow has Forni di Sopra gotten this season and over the last few ski seasons? Forni di Sopra gets an average annual snowfall of 100cm of snow per year and on average has 6 snowfall days. Check out Forni di Sopra historical snowfall using the grid below with average Forni di Sopra snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.