How much snow has Etang de Lers gotten this season and over the last few ski seasons? Etang de Lers gets an average annual snowfall of 207cm of snow per year and on average has 14 snowfall days. Check out Etang de Lers historical snowfall using the grid below with average Etang de Lers snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.