How much snow has Big Boulder gotten this season and over the last few ski seasons? Big Boulder gets an average annual snowfall of 36" of snow per year and on average has 7 annual snowfall days. The current 10-year snowfall record is 30". Check out Big Boulder historical snowfall using the grid below with average Big Boulder snow stats that includes: Average Snowfall, Max Base Depth, Biggest Snowfall, Snowfall Days and Average Base Depth.