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Climate · Sierra City

Sierra City in December

Chilly and damp, as the days hold steady.

Typical weather, averaged over 30 years

December in Sierra City is chilly: highs near 48°F, lows near 25°F. Rain or snow falls on about three days a week, and daylight holds at about 9 hours 25 minutes.December in Sierra City is chilly: highs near 9°C, lows near -4°C. Rain or snow falls on about three days a week, and daylight holds at about 9 hours 25 minutes.

High
48°F9°Caverage
Low
25°F-4°Caverage
Wet days
3a week · 40% of days
Daylight
9h 25mon average

Is December a good time to visit Sierra City?

December sits outside Sierra City's best months, which run in two parts: June, or September to October. 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 48°F in December, against 48°F to 90°F through the year.Highs near 9°C in December, against 9°C to 32°C through the year.

Chance of a wet day

40% of days in December, against 9% to 43% through the year.

Cloud cover

60% cover in December, against 16% to 63% through the year.

Daylight

9h 25m in December, against 9h 25m to 14h 55m 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. November58°14°low 33°low 1°2 wet days a weekRain on about two days a week.
  2. December48°9°low 25°low -4°3 wet days a weekRain on about three days a week.
  3. January48°9°low 26°low -3°3 wet days a weekRain on about three days a week.

Where Sierra City sits, in December

America/Los Angeles
this place
typical high in December 40°F4°C95°F35°C
Sunrise, mid-December
7:16 AMsets 4:40 PM
Above the sea
1,292 mupland
Latitude
39.6°Nnorthern hemisphere
Nearest of ours
Olympic Valley54 km south-east

The land around Sierra City, 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 Sierra City

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Sierra City. 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 (1,292 m) against the climate model's (1,905 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 (1,292 m) against the climate model's (1,905 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.