How much snow has Rzyki - Czarny Gron gotten this season and over the last few ski seasons? Rzyki - Czarny Gron gets an average annual snowfall of 12cm of snow per year and on average has 4 snowfall days. Check out Rzyki - Czarny Gron historical snowfall using the grid below with average Rzyki - Czarny Gron snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.