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Climate · Olympic Valley

Olympic Valley in December

Chilly and damp, as the days hold steady.

Typical weather, averaged over 30 years

December in Olympic Valley is chilly: highs near 42°F, lows near 26°F. Rain or snow falls on about three days a week, and daylight holds at about 9 hours 27 minutes.December in Olympic Valley is chilly: highs near 6°C, lows near -3°C. Rain or snow falls on about three days a week, and daylight holds at about 9 hours 27 minutes.

High
42°F6°Caverage
Low
26°F-3°Caverage
Wet days
3a week · 39% of days
Daylight
9h 27mon average

Is December a good time to visit Olympic Valley?

December sits outside Olympic Valley's best months, which run from June to September. Expect chilly days and rain or snow on about three days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How December sits in the year

week by week

Temperature

Highs near 42°F in December, against 42°F to 83°F through the year.Highs near 6°C in December, against 6°C to 28°C through the year.

Chance of a wet day

39% of days in December, against 10% to 43% through the year.

Cloud cover

55% cover in December, against 16% to 57% through the year.

Daylight

9h 27m in December, against 9h 27m to 14h 53m through the year.

Week by week, lightly smoothed, with December shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. November52°11°low 33°low 1°2 wet days a weekRain on about two days a week.
  2. December42°6°low 26°low -3°3 wet days a weekRain on about three days a week.
  3. January42°6°low 26°low -3°3 wet days a weekRain on about three days a week.

Where Olympic Valley sits, in December

America/Los Angeles
this place
typical high in December 40°F4°C95°F35°C
Sunrise, mid-December
7:13 AMsets 4:39 PM
Above the sea
1,890 mhigh country
Latitude
39.2°Nnorthern hemisphere
Nearest of ours
Sierra City54 km north-west

The land around Olympic Valley, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in United States in December

high · low · wet days
See December on the planning mapThe whole year in Olympic Valley

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Olympic Valley. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (1,890 m) against the climate model's (2,052 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (1,890 m) against the climate model's (2,052 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.