Turlock weather in December: Turlock, California: normal highs, lows, rain and records for December
Turlock in December has a normal high of 55°F and a normal low of 42°F, a daily mean of 48°F, falling from 58°F on the 1st to 53°F by the 31st. Measurable precipitation falls on 10 days in a normal December, 2.26 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 13°C and low of 5°C, 57 mm of precipitation in December.
- NOAA stationTurlock #2
- Station IDUSC00049073
- Location37.50°N 120.85°W
- Elevation103 ft (31 m)
- From the centerunder 1 mile
- Population72,888
- Jan 55° 42°
- Feb 61° 45°
- Mar 67° 49°
- Apr 72° 52°
- May 80° 57°
- Jun 88° 62°
- Jul 93° 66°
- Aug 92° 65°
- Sep 88° 62°
- Oct 77° 55°
- Nov 64° 47°
- Dec 55° 42°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Turlock in December?
The normal high is 55°F and the normal low 42°F, for a daily mean of 48.4°F. December is 7.2°F cooler than November and 0.1°F cooler than January. December is the 12th warmest month of the year in Turlock and the 3rd wettest. Across the month the normal high falls 5°F, from 58°F on December 1 to 53°F on December 31. From one year to the next December's mean temperature typically moves about 2.4°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 46°F and 51°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 33%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 58°F | 44°F | 27% | 15% |
| December 8 | 56°F | 42°F | 29% | 17% |
| December 15 | 55°F | 42°F | 31% | 18% |
| December 22 | 54°F | 41°F | 32% | 18% |
| December 31 | 53°F | 41°F | 33% | 18% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 25)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 58°F | 44°F | 27% | 15% | 9 h 50 min |
| December 2 | 58°F | 43°F | 27% | 15% | 9 h 50 min |
| December 3 | 58°F | 43°F | 27% | 15% | 9 h 50 min |
| December 4 | 57°F | 43°F | 28% | 16% | 9 h 40 min |
| December 5 | 57°F | 43°F | 28% | 16% | 9 h 40 min |
| December 6 | 57°F | 43°F | 29% | 16% | 9 h 40 min |
| December 7 | 57°F | 43°F | 29% | 16% | 9 h 40 min |
| December 8 | 56°F | 42°F | 29% | 17% | 9 h 40 min |
| December 9 | 56°F | 42°F | 30% | 17% | 9 h 40 min |
| December 10 | 56°F | 42°F | 30% | 17% | 9 h 40 min |
| December 11 | 56°F | 42°F | 30% | 17% | 9 h 40 min |
| December 12 | 55°F | 42°F | 31% | 18% | 9 h 40 min |
| December 13 | 55°F | 42°F | 31% | 18% | 9 h 40 min |
| December 14 | 55°F | 42°F | 31% | 18% | 9 h 40 min |
| December 15 | 55°F | 42°F | 31% | 18% | 9 h 40 min |
| December 16 | 55°F | 42°F | 31% | 18% | 9 h 40 min |
| December 17 | 54°F | 42°F | 31% | 18% | 9 h 40 min |
| December 18 | 54°F | 42°F | 31% | 18% | 9 h 30 min |
| December 19 | 54°F | 42°F | 31% | 18% | 9 h 30 min |
| December 20 | 54°F | 41°F | 31% | 18% | 9 h 30 min |
| December 21 | 54°F | 41°F | 32% | 18% | 9 h 30 min |
| December 22 | 54°F | 41°F | 32% | 18% | 9 h 30 min |
| December 23 | 54°F | 41°F | 32% | 18% | 9 h 30 min |
| December 24 | 54°F | 41°F | 32% | 18% | 9 h 30 min |
| December 25 | 54°F | 41°F | 32% | 18% | 9 h 30 min |
| December 26 | 54°F | 41°F | 32% | 18% | 9 h 30 min |
| December 27 | 54°F | 41°F | 32% | 18% | 9 h 30 min |
| December 28 | 53°F | 41°F | 32% | 18% | 9 h 40 min |
| December 29 | 53°F | 41°F | 32% | 18% | 9 h 40 min |
| December 30 | 53°F | 41°F | 32% | 18% | 9 h 40 min |
| December 31 | 53°F | 41°F | 33% | 18% | 9 h 40 min |
- Normal high
- 55°FDecember average
- Normal low
- 42°FDecember average
- Precipitation
- 2.26 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
- Sunshine
- 72%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00049073; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Turlock in December?
On a given December day the chance of 0.01 inch or more is 30% on average, highest around December 31 (33%). In all, 2.26 in falls on 10 days of a normal December.
In a normal December in Turlock, 3 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00049073.
What are the records for December in Turlock?
The warmest December temperature on this station's record (since 1894) is 73°F, on December 1, 2021; the coldest is 18°F, on December 19, 1924. The wettest December brought 6.32 in (2022).
The December mean against the 1991-2020 normal of 48.4°F: 2021 48.0°F (−0.4), 2022 47.0°F (−1.4), 2023 53.2°F (+4.8), 2024 52.3°F (+3.9), 2025 49.2°F (+0.8). 3 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 48.0°F | −0.4°F | 4.95 in |
| 2022 | 47.0°F | −1.4°F | 6.32 in |
| 2023 | 53.2°F | +4.8°F | 1.92 in |
| 2024 | 52.3°F | +3.9°F | 2.53 in |
| 2025 | 49.2°F | +0.8°F | – |
Source: records: ACIS, station USC00049073; recent months: ACIS, station USC00049073. Records and recent months use complete months only.
How does December in Turlock 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; Turlock's is 55°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.