December is when the US ski season properly establishes itself. The rankings are led by Jackson Hole at 255cm and Mt Bachelor at 240cm, both significant figures reflecting the heavy snowfall these resorts receive when major storm systems arrive in December. Brighton, Squaw Valley, and Northstar complete a diverse top 5 spanning Wyoming, Oregon, Utah, and California.
The December rankings show a clear split between resort types. Pacific facing resorts in California and Oregon including Mt Bachelor, Sugar Bowl, and Northstar perform strongly in December. Wyoming and Utah resorts including Jackson Hole, Brighton, and Solitude also rank highly. Colorado resorts including Vail, Aspen, and Breckenridge rank in the middle of the table, reflecting their more continental position.
Ranked by average total snowfall in December across 30 ski seasons (1995–2025), using raw ERA5 reanalysis data calibrated against measured long-term resort averages where available.
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Data from the ERA5 reanalysis dataset via Open-Meteo (1995–2025). 30-year averages — actual snowfall varies year to year.
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