How much snow has Mt. Dobson Ski Area gotten this season and over the last few ski seasons? Mt. Dobson Ski Area gets an average annual snowfall of 42" of snow per year and on average has 10 snowfall days. Check out Mt. Dobson Ski Area historical snowfall using the grid below with average Mt. Dobson Ski Area snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.