How much snow has Champagny en Vanoise gotten this season and over the last few ski seasons? Champagny en Vanoise gets an average annual snowfall of 386cm of snow per year and on average has 32 snowfall days. Check out Champagny en Vanoise historical snowfall using the grid below with average Champagny en Vanoise snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.