How much snow has Rosswald - Brig gotten this season and over the last few ski seasons? Rosswald - Brig gets an average annual snowfall of 304cm of snow per year and on average has 18 snowfall days. Check out Rosswald - Brig historical snowfall using the grid below with average Rosswald - Brig snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.