How much snow has Bieszczad.ski Wańkowa gotten this season and over the last few ski seasons? Bieszczad.ski Wańkowa gets an average annual snowfall of 5" of snow per year and on average has 3 snowfall days. Check out Bieszczad.ski Wańkowa historical snowfall using the grid below with average Bieszczad.ski Wańkowa snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.