How much snow has Hammarbybacken gotten this season and over the last few ski seasons? Hammarbybacken gets an average annual snowfall of 3cm of snow per year and on average has 1 snowfall days. Check out Hammarbybacken historical snowfall using the grid below with average Hammarbybacken snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.