How much snow has Chaillol gotten this season and over the last few ski seasons? Chaillol gets an average annual snowfall of 141cm of snow per year and on average has 12 annual snowfall days. The current 10-year snowfall record is 50cm. Check out Chaillol historical snowfall using the grid below with average Chaillol snow stats that includes: Average Snowfall, Max Base Depth, Biggest Snowfall, Snowfall Days and Average Base Depth.