How much snow has Crystal Mountain gotten this season and over the last few ski seasons? Crystal Mountain gets an average annual snowfall of 406" of snow per year and on average has 76 annual snowfall days. The current 10-year snowfall record is 52". Check out Crystal Mountain historical snowfall using the grid below with average Crystal Mountain snow stats that includes: Average Snowfall, Max Base Depth, Biggest Snowfall, Snowfall Days and Average Base Depth.