How much snow has Moléson - Gruyères gotten this season and over the last few ski seasons? Moléson - Gruyères gets an average annual snowfall of 189cm of snow per year and on average has 19 snowfall days. Check out Moléson - Gruyères historical snowfall using the grid below with average Moléson - Gruyères snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.