How much snow has Sierra-at-Tahoe gotten this season and over the last few ski seasons? Sierra-at-Tahoe gets an average annual snowfall of 305" of snow per year and on average has 37 snowfall days. Check out Sierra-at-Tahoe historical snowfall using the grid below with average Sierra-at-Tahoe snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.