How much snow has Donner Ski Ranch gotten this season and over the last few ski seasons? Donner Ski Ranch gets an average annual snowfall of 114" of snow per year and on average has 12 snowfall days. Check out Donner Ski Ranch historical snowfall using the grid below with average Donner Ski Ranch snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.