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