How much snow has Mount Kato Ski Area gotten this season and over the last few ski seasons? Mount Kato Ski Area gets an average annual snowfall of 51" of snow per year and on average has 16 snowfall days. Check out Mount Kato Ski Area historical snowfall using the grid below with average Mount Kato Ski Area snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.