Oakland weather in December: Oakland, California: normal highs, lows, rain and records for December
Oakland in December has a normal high of 58°F and a normal low of 42°F, a daily mean of 50°F, falling from 60°F on the 1st to 57°F by the 31st. Measurable precipitation falls on 11 days in a normal December, 3.84 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 14°C and low of 6°C, 98 mm of precipitation in December.
- NOAA stationOakland Metro International Airport
- Station IDUSW00023230
- Location37.72°N 122.22°W
- Elevation6 ft (2 m)
- From the center3 miles
- Population443,554
- Jan 58° 42°
- Feb 60° 45°
- Mar 63° 47°
- Apr 66° 49°
- May 68° 52°
- Jun 71° 54°
- Jul 72° 56°
- Aug 72° 57°
- Sep 74° 56°
- Oct 72° 51°
- Nov 64° 46°
- Dec 58° 42°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Oakland in December?
The normal high is 58°F and the normal low 42°F, for a daily mean of 50.1°F. December is 4.7°F cooler than November and 0.2°F warmer than January. December is the 11th warmest month of the year in Oakland and the wettest. Across the month the normal high falls 3°F, from 60°F on December 1 to 57°F on December 31. From one year to the next December's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 48°F and 52°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 36%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 60°F | 44°F | 32% | 19% |
| December 8 | 59°F | 43°F | 34% | 20% |
| December 15 | 58°F | 42°F | 36% | 21% |
| December 22 | 57°F | 42°F | 36% | 21% |
| December 31 | 57°F | 42°F | 35% | 20% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 27)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 60°F | 44°F | 32% | 19% | 9 h 50 min |
| December 2 | 60°F | 43°F | 32% | 19% | 9 h 40 min |
| December 3 | 59°F | 43°F | 33% | 19% | 9 h 40 min |
| December 4 | 59°F | 43°F | 33% | 19% | 9 h 40 min |
| December 5 | 59°F | 43°F | 33% | 20% | 9 h 40 min |
| December 6 | 59°F | 43°F | 34% | 20% | 9 h 40 min |
| December 7 | 59°F | 43°F | 34% | 20% | 9 h 40 min |
| December 8 | 59°F | 43°F | 34% | 20% | 9 h 40 min |
| December 9 | 58°F | 43°F | 34% | 20% | 9 h 40 min |
| December 10 | 58°F | 43°F | 35% | 21% | 9 h 40 min |
| December 11 | 58°F | 43°F | 35% | 21% | 9 h 40 min |
| December 12 | 58°F | 43°F | 35% | 21% | 9 h 40 min |
| December 13 | 58°F | 42°F | 35% | 21% | 9 h 40 min |
| December 14 | 58°F | 42°F | 35% | 21% | 9 h 40 min |
| December 15 | 58°F | 42°F | 36% | 21% | 9 h 30 min |
| December 16 | 58°F | 42°F | 36% | 21% | 9 h 30 min |
| December 17 | 58°F | 42°F | 36% | 21% | 9 h 30 min |
| December 18 | 58°F | 42°F | 36% | 21% | 9 h 30 min |
| December 19 | 57°F | 42°F | 36% | 21% | 9 h 30 min |
| December 20 | 57°F | 42°F | 36% | 21% | 9 h 30 min |
| December 21 | 57°F | 42°F | 36% | 21% | 9 h 30 min |
| December 22 | 57°F | 42°F | 36% | 21% | 9 h 30 min |
| December 23 | 57°F | 42°F | 35% | 21% | 9 h 30 min |
| December 24 | 57°F | 42°F | 35% | 20% | 9 h 30 min |
| December 25 | 57°F | 42°F | 35% | 20% | 9 h 30 min |
| December 26 | 57°F | 42°F | 35% | 20% | 9 h 30 min |
| December 27 | 57°F | 42°F | 35% | 20% | 9 h 30 min |
| December 28 | 57°F | 42°F | 35% | 20% | 9 h 30 min |
| December 29 | 57°F | 42°F | 35% | 20% | 9 h 30 min |
| December 30 | 57°F | 42°F | 35% | 20% | 9 h 30 min |
| December 31 | 57°F | 42°F | 35% | 20% | 9 h 40 min |
- Normal high
- 58°FDecember average
- Normal low
- 42°FDecember average
- Precipitation
- 3.84 inmonth total
- Days with precipitation
- 110.01 inch or more
- Nights at 32°F or colder
- 1
- Daylight
- 9 h 50 min to 9 h 40 minDecember 1 to December 31
- Sunshine
- 74%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023230; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Oakland in December?
On a given December day the chance of 0.01 inch or more is 35% on average, highest around December 17 (36%). In all, 3.84 in falls on 11 days of a normal December, 1 of them with an inch or more.
In a normal December in Oakland, 1 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023230.
How humid and windy is Oakland in December?
At 3 p.m. the normal temperature is 54°F with 64% relative humidity and a dew point of 43°F; at 6 a.m. it is 45°F with 83% humidity. The wind averages 6.5 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 45°F | 40°F | 83% | 5.6 mph | – |
| 9 a.m. | 48°F | 42°F | 79% | 6.0 mph | – |
| noon | 53°F | 43°F | 68% | 7.8 mph | – |
| 3 p.m. | 54°F | 43°F | 64% | 8.0 mph | – |
| 6 p.m. | 51°F | 43°F | 73% | 6.5 mph | – |
| 9 p.m. | 49°F | 42°F | 78% | 6.0 mph | 46% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023230. 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 Oakland?
The warmest December temperature on this station's record (since 1948) is 79°F, on December 7, 2020; the coldest is 26°F, on December 11, 1972. The wettest December brought 11.50 in (2022).
The December mean against the 1991-2020 normal of 50.1°F: 2021 49.4°F (−0.7), 2022 48.3°F (−1.8), 2023 52.6°F (+2.5), 2024 54.1°F (+4.0), 2025 50.7°F (+0.6). 3 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 49.4°F | −0.7°F | 8.81 in |
| 2022 | 48.3°F | −1.8°F | 11.50 in |
| 2023 | 52.6°F | +2.5°F | 3.12 in |
| 2024 | 54.1°F | +4.0°F | 3.11 in |
| 2025 | 50.7°F | +0.6°F | 3.78 in |
Source: records: ACIS, station USW00023230; recent months: ACIS, station USW00023230. Records and recent months use complete months only.
How does December in Oakland 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; Oakland's is 58°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.