How much snow has Ventoux - Mont Serein gotten this season and over the last few ski seasons? Ventoux - Mont Serein gets an average annual snowfall of 33cm of snow per year and on average has 4 snowfall days. Check out Ventoux - Mont Serein historical snowfall using the grid below with average Ventoux - Mont Serein snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.