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Monarch Winter Weather

What a typical winter is like at Monarch: 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 Monarch gets measurable precipitation (rain vs. snow), and typical high/low temperatures, December 1–April 15, based on 40 years of real ERA5 reanalysis data.

25% of days get measurable precipitation, season average

Precipitation calibrated against real observations from the Porphyry Creek SNOTEL station (×1.77 correction). See full station data

Dec 21%
Jan 21%
Feb 28%
Mar 28%
Apr 1-15 28%
Elevation:

Precipitation frequency by week (rain vs. snow)

Average high/low temperature by week

Winter Sun & Clouds

How much of Monarch'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.

86% of possible sunshine, Dec–Mar average
Dec 87%
Jan 86%
Feb 85%
Mar 87%

Monarch and El Niño → Monarch climate change profile → Back to Monarch →