How much snow has Crotched Mountain gotten this season and over the last few ski seasons? Crotched Mountain gets an average annual snowfall of 65" of snow per year and on average has 15 annual snowfall days. The current 10-year snowfall record is 29". Check out Crotched Mountain historical snowfall using the grid below with average Crotched Mountain snow stats that includes: Average Snowfall, Max Base Depth, Biggest Snowfall, Snowfall Days and Average Base Depth.