How much snow has Otis Ridge Ski Area gotten this season and over the last few ski seasons? Otis Ridge Ski Area gets an average annual snowfall of 22" of snow per year and on average has 5 snowfall days. Check out Otis Ridge Ski Area historical snowfall using the grid below with average Otis Ridge Ski Area snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.