Alyeska Snow Conditions Overview
Alyeska in Alaska, USA sits at 1,201m (3,940ft) elevation and averages 973cm of annual snowfall based on 10 years of historical data (2015-2025). During the ski season, Alyeska receives approximately 802cm of snow. The best month for powder is January, averaging 181.3cm of snowfall with a 69% powder probability. The highest chance of fresh powder (15cm+ in any given week) occurs in December and January at 70%.
- Annual Snowfall
- 973cm
- Elevation
- 1,201m
- Best Month
- January
- Powder Probability
- 70%
Snowfall data sourced from ERA5 reanalysis via Open-Meteo Historical Weather API (2015-2025).
Check Alyeska snow forecast for your dates
Based on 10 years of historical snowfall data
About Alyeska
Alyeska snowfall statistics based on 10 years of historical data. See average annual snowfall, best months to ski, and powder probability to help you plan your trip.
Snow & Weather Conditions
We use 10 years of historical data to help you plan — not a live snow report.
Alaska receives massive annual snowfall totals, often exceeding 15 metres. The maritime influence from the Gulf of Alaska delivers relentless storms throughout winter. What the resort lacks in raw altitude it compensates for with a favourable aspect, efficient snowmaking, and a geography that funnels moisture-laden air onto its slopes. The net effect is a surprisingly resilient winter surface. Season-long totals sit in the 3-6 metre window, supplemented by snowmaking to maintain a rideable surface throughout.
Best Time to Ski
The best time to ski at Alyeska is December and January, with 159cm average snowfall and 70% powder probability. Based on 10 years of historical snowfall data from PowderDays. Season runs from late November to mid-April. December through March bring the heaviest snowfall. PowderDays' historical tool lets you compare precipitation patterns and find the best travel windows.
Powder Probability by Month
Chance of 15cm+ fresh snow in any given week (10 years of data):
- Nov63%
- Dec70%
- Jan69%
- Feb59%
- Mar50%
- Apr48%
10-Year Snow History
| Month | Avg Snowfall (cm) | Record High | Record Low | Powder Probability |
|---|---|---|---|---|
| Nov | 143.4 | 219.4 | 37.5 | 63% |
| Dec | 159.0 | 229.3 | 25.8 | 70% |
| Jan | 181.3 | 347.3 | 50.8 | 69% |
| Feb | 114.3 | 362.8 | 39.2 | 59% |
| Mar | 107.2 | 275.0 | 31.1 | 50% |
| Apr | 96.3 | 231.9 | 33.5 | 48% |
What Makes It Special
Steep, glaciated terrain with incredible vertical, chutes, and backcountry access. Heli-skiing is a major draw. Remote, rugged, and authentic — Alaskan skiing attracts adventurers seeking big mountains and deep snow in a pristine wilderness setting.
Alaska's Chugach Mountains receive over 15 metres of annual snowfall and contain some of the steepest, most continuous ski descents on earth. The Thompson Pass area near Valdez holds the Alaskan 24-hour snowfall record of 160cm (62 inches), set in December 1955.
Data Sources & Methodology
All snowfall statistics for Alyeska are based on 10 years of historical data (2015-2025) from the Open-Meteo Historical Weather API, which provides ERA5 reanalysis data from the European Centre for Medium-Range Weather Forecasts (ECMWF). Daily snowfall totals are queried at Alyeska's coordinates (60.97, -149.10) and 1,201m elevation, then aggregated into monthly averages, record highs/lows, and powder probability scores. Powder probability represents the chance of receiving 15cm or more of fresh snow in any given week during that month.