How much snow has Grand Targhee Resort gotten this season and over the last few ski seasons? Grand Targhee Resort gets an average annual snowfall of 378" of snow per year and on average has 81 snowfall days. Check out Grand Targhee Resort historical snowfall using the grid below with average Grand Targhee Resort snow stats that includes: Average Snowfall, Biggest Snowfall, Snowfall Days and Average Base Depth.