How much snow has Lans en Vercors gotten this season and over the last few ski seasons? Lans en Vercors gets an average annual snowfall of 252cm of snow per year and on average has 19 snowfall days. Check out Lans en Vercors historical snowfall using the grid below with average Lans en Vercors snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.