How much snow has Pico Mountain gotten this season and over the last few ski seasons? Pico Mountain gets an average annual snowfall of 117" of snow per year and on average has 33 annual snowfall days. The current 10-year snowfall record is 20". Check out Pico Mountain historical snowfall using the grid below with average Pico Mountain snow stats that includes: Average Snowfall, Max Base Depth, Biggest Snowfall, Snowfall Days and Average Base Depth.