How much snow has Sunday River gotten this season and over the last few ski seasons? Sunday River gets an average annual snowfall of 120" of snow per year and on average has 25 annual snowfall days. The current 10-year snowfall record is 24". Check out Sunday River historical snowfall using the grid below with average Sunday River snow stats that includes: Average Snowfall, Max Base Depth, Biggest Snowfall, Snowfall Days and Average Base Depth.