How much snow has Auris en oisans gotten this season and over the last few ski seasons? Auris en oisans gets an average annual snowfall of 267cm of snow per year and on average has 29 snowfall days. Check out Auris en oisans historical snowfall using the grid below with average Auris en oisans snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.