Sun Valley vs Alyeska — 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.
Sun Valley
Idaho, USA
- Elevation
- 2,789m / 9,151ft
- Annual Snowfall
- 246cm
- Best Month
- February
- Powder Probability
- 27%
- Season Snowfall
- 220cm
Alyeska
Alaska, USA
- Elevation
- 1,201m / 3,940ft
- Annual Snowfall
- 973cm
- Best Month
- January
- Powder Probability
- 70%
- Season Snowfall
- 802cm
Monthly Snowfall Comparison
| Month | Sun Valley (cm) | Alyeska (cm) |
|---|---|---|
| November | 24.5 | 143.4 |
| December | 44 | 159 |
| January | 40.5 | 181.3 |
| February | 48.4 | 114.3 |
| March | 43.2 | 107.2 |
| April | 19 | 96.3 |
Which Resort Gets More Snow?
Based on 10 years of data, Alyeska receives more annual snowfall (973cm) compared to Sun Valley (246cm) — a difference of 727cm per year. The best month for powder at Sun Valley is February (27% probability), while Alyeska's best is January (70% 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, Sun Valley's snowiest month has been February, averaging 48.4cm but ranging from a lean 7cm in the driest winter to 140cm in the deepest — a swing that shows how much any single season can vary. At Alyeska, the snowiest month is January, averaging 181.3cm and spanning 51cm to 347cm 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.