Carlsbad weather in December: Carlsbad, California: normal highs, lows, rain and records for December
Carlsbad in December has a normal high of 65°F and a normal low of 47°F, a daily mean of 56°F, falling from 66°F on the 1st to 65°F by the 31st. Measurable precipitation falls on 8 days in a normal December, 1.72 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 18°C and low of 8°C, 44 mm of precipitation in December.
- NOAA stationCarlsbad Palomar Airport
- Station IDUSW00003177
- Location33.13°N 117.28°W
- Elevation328 ft (100 m)
- From the centerunder 1 mile
- Population113,575
- Jan 65° 48°
- Feb 64° 49°
- Mar 65° 51°
- Apr 66° 53°
- May 68° 57°
- Jun 70° 60°
- Jul 74° 64°
- Aug 76° 65°
- Sep 76° 64°
- Oct 73° 59°
- Nov 70° 52°
- Dec 65° 47°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Carlsbad in December?
The normal high is 65°F and the normal low 47°F, for a daily mean of 56.0°F. December is 4.8°F cooler than November and 0.4°F cooler than January. December is the 12th warmest month of the year in Carlsbad and the 3rd wettest. Across the month the normal high falls 1°F, from 66°F on December 1 to 65°F on December 31. From one year to the next December's mean temperature typically moves about 1.4°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 55°F and 57°F.
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 24%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 66°F | 49°F | 23% | 10% |
| December 8 | 65°F | 48°F | 23% | 11% |
| December 15 | 64°F | 47°F | 24% | 12% |
| December 22 | 64°F | 47°F | 24% | 12% |
| December 31 | 65°F | 47°F | 23% | 11% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 17)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 66°F | 49°F | 23% | 10% | 10 h 10 min |
| December 2 | 66°F | 48°F | 23% | 10% | 10 h 10 min |
| December 3 | 66°F | 48°F | 23% | 10% | 10 h 10 min |
| December 4 | 66°F | 48°F | 23% | 10% | 10 h 10 min |
| December 5 | 65°F | 48°F | 23% | 11% | 10 h |
| December 6 | 65°F | 48°F | 23% | 11% | 10 h |
| December 7 | 65°F | 48°F | 23% | 11% | 10 h |
| December 8 | 65°F | 48°F | 23% | 11% | 10 h |
| December 9 | 65°F | 47°F | 24% | 11% | 10 h |
| December 10 | 65°F | 47°F | 24% | 11% | 10 h |
| December 11 | 65°F | 47°F | 24% | 11% | 10 h |
| December 12 | 64°F | 47°F | 24% | 11% | 10 h |
| December 13 | 64°F | 47°F | 24% | 12% | 10 h |
| December 14 | 64°F | 47°F | 24% | 12% | 10 h |
| December 15 | 64°F | 47°F | 24% | 12% | 10 h |
| December 16 | 64°F | 47°F | 24% | 12% | 10 h |
| December 17 | 64°F | 47°F | 24% | 12% | 10 h |
| December 18 | 64°F | 47°F | 24% | 12% | 10 h |
| December 19 | 64°F | 47°F | 24% | 12% | 10 h |
| December 20 | 64°F | 47°F | 24% | 12% | 10 h |
| December 21 | 64°F | 47°F | 24% | 12% | 10 h |
| December 22 | 64°F | 47°F | 24% | 12% | 10 h |
| December 23 | 64°F | 47°F | 24% | 12% | 10 h |
| December 24 | 64°F | 47°F | 24% | 12% | 10 h |
| December 25 | 64°F | 47°F | 24% | 12% | 10 h |
| December 26 | 64°F | 47°F | 24% | 11% | 10 h |
| December 27 | 64°F | 47°F | 24% | 11% | 10 h |
| December 28 | 64°F | 47°F | 24% | 11% | 10 h |
| December 29 | 64°F | 47°F | 24% | 11% | 10 h |
| December 30 | 65°F | 47°F | 23% | 11% | 10 h |
| December 31 | 65°F | 47°F | 23% | 11% | 10 h |
- Normal high
- 65°FDecember average
- Normal low
- 47°FDecember average
- Precipitation
- 1.72 inmonth total
- Days with precipitation
- 80.01 inch or more
- Daylight
- 10 h 10 min to 10 hDecember 1 to December 31
- Days at 70°F or more
- 6
- Days at 80°F or more
- 1
- Sunshine
- 83%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003177; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Carlsbad in December?
On a given December day the chance of 0.01 inch or more is 24% on average, highest around December 17 (24%). In all, 1.72 in falls on 8 days of a normal December, 1 of them with an inch or more.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003177.
What are the records for December in Carlsbad?
The warmest December temperature on this station's record (since 1998) is 86°F, on December 12, 2010; the coldest is 32°F, on December 24, 2009. The wettest December brought 7.14 in (2010).
The December mean against the 1991-2020 normal of 56.0°F: 2021 54.1°F (−1.9), 2024 56.0°F (at normal), 2025 59.6°F (+3.6). 1 of 3 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 54.1°F | −1.9°F | 3.21 in |
| 2024 | 56.0°F | at normal | 0.00 in |
| 2025 | 59.6°F | +3.6°F | 1.43 in |
Source: records: ACIS, station USW00003177; recent months: ACIS, station USW00003177. Records and recent months use complete months only.
How does December in Carlsbad 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; Carlsbad's is 65°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.