How much snow has Mission Ridge gotten this season and over the last few ski seasons? Mission Ridge gets an average annual snowfall of 136" of snow per year and on average has 39 annual snowfall days. The current 10-year snowfall record is 28", the average snow depth at Mission Ridge is 44". Check out Mission Ridge historical snowfall using the grid below with average Mission Ridge snow stats that includes: Average Snowfall, Max Base Depth, Biggest Snowfall, Snowfall Days and Average Base Depth. Click on the Annual Tab to see every year since the 2013-2014 season.