Watsonville weather in December: Watsonville, California: normal highs, lows, rain and records for December
Watsonville in December has a normal high of 61°F and a normal low of 39°F, a daily mean of 50°F, falling from 62°F on the 1st to 60°F by the 31st. Measurable precipitation falls on 10 days in a normal December, 4.01 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 16°C and low of 4°C, 102 mm of precipitation in December.
- NOAA stationWatsonville Municipal Airport
- Station IDUSW00023277
- Location36.94°N 121.79°W
- Elevation160 ft (49 m)
- From the center1 miles
- Population51,320
- Jan 61° 40°
- Feb 62° 42°
- Mar 64° 43°
- Apr 66° 45°
- May 69° 48°
- Jun 72° 50°
- Jul 72° 53°
- Aug 73° 53°
- Sep 75° 52°
- Oct 74° 48°
- Nov 67° 43°
- Dec 61° 39°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Watsonville in December?
The normal high is 61°F and the normal low 39°F, for a daily mean of 50.1°F. December is 4.9°F cooler than November and 0.6°F cooler than January. December is the 12th warmest month of the year in Watsonville and the 4th wettest. Across the month the normal high falls 2°F, from 62°F on December 1 to 60°F on December 31. From one year to the next December's mean temperature typically moves about 2.0°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 31%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 62°F | 41°F | 30% | 18% |
| December 8 | 61°F | 40°F | 31% | 19% |
| December 15 | 60°F | 39°F | 31% | 20% |
| December 22 | 60°F | 39°F | 30% | 20% |
| December 31 | 60°F | 39°F | 29% | 20% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 20)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 62°F | 41°F | 30% | 18% | 9 h 50 min |
| December 2 | 62°F | 40°F | 30% | 18% | 9 h 50 min |
| December 3 | 62°F | 40°F | 30% | 18% | 9 h 50 min |
| December 4 | 62°F | 40°F | 30% | 19% | 9 h 50 min |
| December 5 | 62°F | 40°F | 31% | 19% | 9 h 50 min |
| December 6 | 61°F | 40°F | 31% | 19% | 9 h 50 min |
| December 7 | 61°F | 40°F | 31% | 19% | 9 h 40 min |
| December 8 | 61°F | 40°F | 31% | 19% | 9 h 40 min |
| December 9 | 61°F | 40°F | 31% | 19% | 9 h 40 min |
| December 10 | 61°F | 40°F | 31% | 19% | 9 h 40 min |
| December 11 | 61°F | 39°F | 31% | 20% | 9 h 40 min |
| December 12 | 61°F | 39°F | 31% | 20% | 9 h 40 min |
| December 13 | 61°F | 39°F | 31% | 20% | 9 h 40 min |
| December 14 | 60°F | 39°F | 31% | 20% | 9 h 40 min |
| December 15 | 60°F | 39°F | 31% | 20% | 9 h 40 min |
| December 16 | 60°F | 39°F | 31% | 20% | 9 h 40 min |
| December 17 | 60°F | 39°F | 31% | 20% | 9 h 40 min |
| December 18 | 60°F | 39°F | 31% | 20% | 9 h 40 min |
| December 19 | 60°F | 39°F | 31% | 20% | 9 h 40 min |
| December 20 | 60°F | 39°F | 31% | 20% | 9 h 40 min |
| December 21 | 60°F | 39°F | 31% | 20% | 9 h 40 min |
| December 22 | 60°F | 39°F | 30% | 20% | 9 h 40 min |
| December 23 | 60°F | 39°F | 30% | 20% | 9 h 40 min |
| December 24 | 60°F | 39°F | 30% | 20% | 9 h 40 min |
| December 25 | 60°F | 39°F | 30% | 20% | 9 h 40 min |
| December 26 | 60°F | 39°F | 30% | 20% | 9 h 40 min |
| December 27 | 60°F | 39°F | 30% | 20% | 9 h 40 min |
| December 28 | 60°F | 39°F | 29% | 20% | 9 h 40 min |
| December 29 | 60°F | 39°F | 29% | 20% | 9 h 40 min |
| December 30 | 60°F | 39°F | 29% | 20% | 9 h 40 min |
| December 31 | 60°F | 39°F | 29% | 20% | 9 h 40 min |
- Normal high
- 61°FDecember average
- Normal low
- 39°FDecember average
- Precipitation
- 4.01 inmonth total
- Days with precipitation
- 100.01 inch or more
- Nights at 32°F or colder
- 3
- Daylight
- 9 h 50 min to 9 h 40 minDecember 1 to December 31
- Days at 70°F or more
- 3
- Sunshine
- 78%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023277; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Watsonville in December?
On a given December day the chance of 0.01 inch or more is 30% on average, highest around December 13 (31%). In all, 4.01 in falls on 10 days of a normal December, 1 of them with an inch or more.
In a normal December in Watsonville, 3 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023277.
What are the records for December in Watsonville?
The warmest December temperature on this station's record (since 1945) is 82°F, on December 1, 2021; the coldest is 21°F, on December 23, 1998. The wettest December brought 13.42 in (2022).
The December mean against the 1991-2020 normal of 50.1°F: 2021 48.8°F (−1.3), 2022 48.1°F (−2.0), 2023 53.0°F (+2.9), 2024 53.7°F (+3.6), 2025 53.8°F (+3.7). 3 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 48.8°F | −1.3°F | 10.07 in |
| 2022 | 48.1°F | −2.0°F | 13.42 in |
| 2023 | 53.0°F | +2.9°F | 4.91 in |
| 2024 | 53.7°F | +3.6°F | 2.70 in |
| 2025 | 53.8°F | +3.7°F | 2.75 in |
Source: records: ACIS, station USW00023277; recent months: ACIS, station USW00023277. Records and recent months use complete months only.
How does December in Watsonville 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; Watsonville's is 61°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Watsonville in November67°F by day, 43°F at night
- Watsonville in January61°F by day, 40°F at night
- Watsonville through the yearEvery month, frost dates, records and recent years
- California in DecemberThe statewide normal and the warmest and coolest places
- Anaheim: California's warmest Decembernormal high 71°F