How much snow has Col de Rousset gotten this season and over the last few ski seasons? Col de Rousset gets an average annual snowfall of 134cm of snow per year and on average has 12 annual snowfall days. The current 10-year snowfall record is 50cm, the average snow depth at Col de Rousset is 56cm. Check out Col de Rousset historical snowfall using the grid below with average Col de Rousset 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.