How much snow has Saint Jean de Sixt gotten this season and over the last few ski seasons? Saint Jean de Sixt gets an average annual snowfall of 55cm of snow per year and on average has 7 snowfall days. Check out Saint Jean de Sixt historical snowfall using the grid below with average Saint Jean de Sixt snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.