How much snow has Pescocostanzo gotten this season and over the last few ski seasons? Pescocostanzo gets an average annual snowfall of 42cm of snow per year and on average has 4 snowfall days. Check out Pescocostanzo historical snowfall using the grid below with average Pescocostanzo snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.