How much snow has Giswil - Mörlialp gotten this season and over the last few ski seasons? Giswil - Mörlialp gets an average annual snowfall of 293cm of snow per year and on average has 21 snowfall days. Check out Giswil - Mörlialp historical snowfall using the grid below with average Giswil - Mörlialp snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.