How much snow has Vysna Slana - Július gotten this season and over the last few ski seasons? Vysna Slana - Július gets an average annual snowfall of 42cm of snow per year and on average has 10 snowfall days. Check out Vysna Slana - Július historical snowfall using the grid below with average Vysna Slana - Július snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.