How much snow has Le Mourtis gotten this season and over the last few ski seasons? Le Mourtis gets an average annual snowfall of 165cm of snow per year and on average has 14 annual snowfall days. The current 10-year snowfall record is 80cm, the average snow depth at Le Mourtis is 79cm. Check out Le Mourtis historical snowfall using the grid below with average Le Mourtis snow stats that includes: Average Snowfall, Max Base Depth, Biggest Snowfall, Snowfall Days and Average Base Depth. Click on the Annual Tab to see every year since the 2013-2014 season.