How much snow has Sellata - Arioso gotten this season and over the last few ski seasons? Sellata - Arioso gets an average annual snowfall of 8cm of snow per year and on average has 2 snowfall days. Check out Sellata - Arioso historical snowfall using the grid below with average Sellata - Arioso snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.