How much snow has Koszałkowo-Wieżyca gotten this season and over the last few ski seasons? Koszałkowo-Wieżyca gets an average annual snowfall of 39cm of snow per year and on average has 9 snowfall days. Check out Koszałkowo-Wieżyca historical snowfall using the grid below with average Koszałkowo-Wieżyca snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.