Sacramento weather in December: Sacramento, California: normal highs, lows, rain and records for December

Sacramento in December has a normal high of 56°F and a normal low of 39°F, a daily mean of 47°F, falling from 59°F on the 1st to 55°F by the 31st. Measurable precipitation falls on 10 days in a normal December, 3.43 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 13°C and low of 4°C, 87 mm of precipitation in December.

  • NOAA stationSacramento Airport Asos
  • Station IDUSW00023232
  • Location38.51°N 121.50°W
  • Elevation15 ft (5 m)
  • From the center4 miles
  • Population535,798
  1. Jan 56° 39°
  2. Feb 61° 42°
  3. Mar 66° 45°
  4. Apr 72° 47°
  5. May 80° 52°
  6. Jun 88° 57°
  7. Jul 93° 59°
  8. Aug 92° 59°
  9. Sep 89° 57°
  10. Oct 79° 50°
  11. Nov 65° 43°
  12. Dec 56° 39°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Sacramento in December?

The normal high is 56°F and the normal low 39°F, for a daily mean of 47.3°F. December is 6.6°F cooler than November and 0.3°F cooler than January. December is the 12th warmest month of the year in Sacramento and the 3rd wettest. Across the month the normal high falls 4°F, from 59°F on December 1 to 55°F on December 31. From one year to the next December's mean temperature typically moves about 2.6°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 45°F and 50°F.

Sacramento in December, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 31%).

Normal high and low on five days of December, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
December 159°F40°F28%19%
December 857°F39°F30%20%
December 1556°F38°F31%20%
December 2255°F38°F31%20%
December 3155°F38°F31%21%
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 20)
Sacramento: NOAA 1991-2020 daily normals for each day of December
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
December 159°F40°F28%19%9 h 40 min
December 259°F40°F28%19%9 h 40 min
December 358°F39°F29%19%9 h 40 min
December 458°F39°F29%19%9 h 40 min
December 558°F39°F29%19%9 h 40 min
December 657°F39°F30%20%9 h 40 min
December 757°F39°F30%20%9 h 40 min
December 857°F39°F30%20%9 h 30 min
December 957°F39°F30%20%9 h 30 min
December 1057°F39°F30%20%9 h 30 min
December 1156°F39°F30%20%9 h 30 min
December 1256°F38°F30%20%9 h 30 min
December 1356°F38°F31%20%9 h 30 min
December 1456°F38°F31%20%9 h 30 min
December 1556°F38°F31%20%9 h 30 min
December 1656°F38°F31%20%9 h 30 min
December 1755°F38°F31%20%9 h 30 min
December 1855°F38°F31%20%9 h 30 min
December 1955°F38°F31%20%9 h 30 min
December 2055°F38°F31%20%9 h 30 min
December 2155°F38°F31%20%9 h 30 min
December 2255°F38°F31%20%9 h 30 min
December 2355°F38°F31%20%9 h 30 min
December 2455°F38°F31%20%9 h 30 min
December 2555°F38°F31%20%9 h 30 min
December 2655°F38°F31%20%9 h 30 min
December 2755°F38°F31%20%9 h 30 min
December 2855°F38°F31%21%9 h 30 min
December 2955°F38°F31%21%9 h 30 min
December 3055°F38°F31%21%9 h 30 min
December 3155°F38°F31%21%9 h 30 min
Normal high
56°FDecember average
Normal low
39°FDecember average
Precipitation
3.43 inmonth total
Days with precipitation
100.01 inch or more
Nights at 32°F or colder
7
Daylight
9 h 40 min to 9 h 30 minDecember 1 to December 31
Sunshine
71%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00023232; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Sacramento in December?

On a given December day the chance of 0.01 inch or more is 30% on average, highest around December 31 (31%). In all, 3.43 in falls on 10 days of a normal December, 1 of them with an inch or more.

In a normal December in Sacramento, 7 nights fall to freezing.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023232.

How humid and windy is Sacramento in December?

At 3 p.m. the normal temperature is 54°F with 62% relative humidity and a dew point of 41°F; at 6 a.m. it is 40°F with 91% humidity. The wind averages 5.1 mph, most often from the west-northwest in the afternoon. A dew point under 50°F feels dry.

A normal December day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.40°F38°F91%4.2 mph–
9 a.m.43°F39°F87%4.9 mph–
noon50°F41°F70%6.7 mph53%
3 p.m.54°F41°F62%6.9 mph56%
6 p.m.48°F41°F75%4.6 mph60%
9 p.m.45°F40°F83%4.6 mph63%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00023232. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for December in Sacramento?

The warmest December temperature on Sacramento's official record (since 1877) is 74°F, on December 7, 2020; the coldest is 17°F, on December 11, 1932. The wettest December brought 12.64 in (1955).

The December mean against the 1991-2020 normal of 47.3°F: 2021 45.6°F (−1.7), 2022 45.8°F (−1.5), 2023 51.2°F (+3.9), 2024 50.2°F (+2.9), 2025 47.9°F (+0.6). 3 of 5 ran warmer than normal.

Sacramento: December in recent years against the 1991-2020 normal
DecemberMeanAgainst normalPrecip.
202145.6°F−1.7°F6.98 in
202245.8°F−1.5°F7.79 in
202351.2°F+3.9°F4.69 in
202450.2°F+2.9°F3.53 in
202547.9°F+0.6°F2.21 in

Source: records: ACIS, NWS threaded record SACthr; recent months: ACIS, station USW00023232. Records and recent months use complete months only.

How does December in Sacramento compare across California?

Across the 219 places PlainClimate covers in California, December normal highs run from 38°F in Tahoma to 71°F in Anaheim; Sacramento's is 56°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places