How much snow has Afton Alps gotten this season and over the last few ski seasons? Afton Alps gets an average annual snowfall of 42" of snow per year and on average has 15 annual snowfall days. The current 10-year snowfall record is 16". Check out Afton Alps historical snowfall using the grid below with average Afton Alps snow stats that includes: Average Snowfall, Max Base Depth, Biggest Snowfall, Snowfall Days and Average Base Depth.