How much snow has Ohau Snow Fields gotten this season and over the last few ski seasons? Ohau Snow Fields gets an average annual snowfall of 67" of snow per year and on average has 16 annual snowfall days. The current 10-year snowfall record is 39". Check out Ohau Snow Fields historical snowfall using the grid below with average Ohau Snow Fields snow stats that includes: Average Snowfall, Max Base Depth, Biggest Snowfall, Snowfall Days and Average Base Depth.