How much snow has Mt. Shasta Ski Park gotten this season and over the last few ski seasons? Mt. Shasta Ski Park gets an average annual snowfall of 186" of snow per year and on average has 29 snowfall days. Check out Mt. Shasta Ski Park historical snowfall using the grid below with average Mt. Shasta Ski Park snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.