How much snow has Grimentz-Zinal gotten this season and over the last few ski seasons? Grimentz-Zinal gets an average annual snowfall of 263cm of snow per year and on average has 20 annual snowfall days. The current 10-year snowfall record is 70cm, the average snow depth at Grimentz-Zinal is 128cm. Check out Grimentz-Zinal historical snowfall using the grid below with average Grimentz-Zinal snow stats that includes: Average Snowfall, Max Base Depth, Biggest Snowfall, Snowfall Days and Average Base Depth. Click on the Annual Tab to see every year since the 2013-2014 season.