How much snow has Schwanden - Sigriswil gotten this season and over the last few ski seasons? Schwanden - Sigriswil gets an average annual snowfall of 53cm of snow per year and on average has 7 snowfall days. Check out Schwanden - Sigriswil historical snowfall using the grid below with average Schwanden - Sigriswil snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.