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Arctic Valley Winter Weather

What a typical winter is like at Arctic Valley: how often it snows (or rains), how cold it gets at the base, mid-mountain and summit, and how much sun to expect, week by week, from 40 years of weather data.

Winter Weather

How often Arctic Valley gets measurable precipitation (rain vs. snow), and typical high/low temperatures, December 1–April 15, based on 40 years of real ERA5 reanalysis data.

22% of days get measurable precipitation, season average

Precipitation calibrated against real observations from the Anchorage Hillside SNOTEL station (×0.53 correction). See full station data

Dec 30%
Jan 23%
Feb 19%
Mar 17%
Apr 1-15 18%
Elevation:

Precipitation frequency by week (rain vs. snow)

Average high/low temperature by week

Winter Sun & Clouds

How much of Arctic Valley's theoretically possible winter sunshine it actually gets, December–March, based on 40 years of real ERA5 satellite/reanalysis solar radiation data compared against a clear-sky model.

68% of possible sunshine, Dec–Mar average
Dec 65%
Jan 66%
Feb 67%
Mar 74%

Arctic Valley and El Niño → Arctic Valley climate change profile → Back to Arctic Valley →