How much snow has Boí Taüll gotten this season and over the last few ski seasons? Boí Taüll gets an average annual snowfall of 31cm of snow per year and on average has 4 snowfall days. Check out Boí Taüll historical snowfall using the grid below with average Boí Taüll snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.