How much snow has Piau Engaly gotten this season and over the last few ski seasons? Piau Engaly gets an average annual snowfall of 494cm of snow per year and on average has 32 snowfall days. Check out Piau Engaly historical snowfall using the grid below with average Piau Engaly snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.