Mammoth Mountain vs Alta — Snowfall Comparison
Side-by-side snowfall comparison based on 10 years of historical data (2015–2025). See which resort gets more snow, the best months for powder, and how they compare on elevation and location.
Mammoth Mountain
California, USA
- Elevation
- 3,369m / 11,054ft
- Annual Snowfall
- 695cm
- Best Month
- March
- Powder Probability
- 52%
- Season Snowfall
- 657cm
Alta
Utah, USA
- Elevation
- 3,374m / 11,070ft
- Annual Snowfall
- 490cm
- Best Month
- March
- Powder Probability
- 53%
- Season Snowfall
- 400cm
Monthly Snowfall Comparison
| Month | Mammoth Mountain (cm) | Alta (cm) |
|---|---|---|
| November | 61.8 | 47 |
| December | 119.5 | 60.3 |
| January | 146.5 | 78.2 |
| February | 136.8 | 72.6 |
| March | 147 | 78.9 |
| April | 45.7 | 62.9 |
Which Resort Gets More Snow?
Based on 10 years of data, Mammoth Mountain receives more annual snowfall (695cm) compared to Alta (490cm) — a difference of 205cm per year. The best month for powder at Mammoth Mountain is March (52% probability), while Alta's best is March (53% probability).
Snow History: 10 Winters of Data
This comparison draws on 10 consecutive winters of snowfall records (2015–2025) for each resort. Over that span, Mammoth Mountain's snowiest month has been March, averaging 147cm but ranging from a lean 25cm in the driest winter to 386cm in the deepest — a swing that shows how much any single season can vary. At Alta, the snowiest month is March, averaging 78.9cm and spanning 41cm to 155cm across the record. Comparing these historical ranges, rather than a single season, is the most reliable way to judge which resort delivers more dependable snow for the dates you want to ski.