How much snow has Kelchsau - SkiWelt gotten this season and over the last few ski seasons? Kelchsau - SkiWelt gets an average annual snowfall of 242cm of snow per year and on average has 25 snowfall days. Check out Kelchsau - SkiWelt historical snowfall using the grid below with average Kelchsau - SkiWelt snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.