Barstow weather in December: Barstow, California: normal highs, lows, rain and records for December
Barstow in December has a normal high of 60°F and a normal low of 35°F, a daily mean of 47°F, falling from 63°F on the 1st to 59°F by the 31st. Measurable precipitation falls on 3 days in a normal December, 0.56 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 16°C and low of 2°C, 14 mm of precipitation and 1 cm of snow in December.
- NOAA stationBarstow Daggett Airport
- Station IDUSW00023161
- Location34.85°N 116.79°W
- Elevation1,917 ft (584 m)
- Population24,897
- Jan 61° 36°
- Feb 66° 40°
- Mar 73° 46°
- Apr 80° 51°
- May 89° 60°
- Jun 99° 68°
- Jul 105° 74°
- Aug 104° 73°
- Sep 96° 66°
- Oct 83° 54°
- Nov 70° 43°
- Dec 60° 35°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Barstow in December?
The normal high is 60°F and the normal low 35°F, for a daily mean of 47.4°F. December is 8.7°F cooler than November and 1.4°F cooler than January. December is the 12th warmest month of the year in Barstow and the 3rd wettest, and the snowiest. Across the month the normal high falls 4°F, from 63°F on December 1 to 59°F on December 31. From one year to the next December's mean temperature typically moves about 1.9°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 46°F and 49°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 11%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 63°F | 37°F | 7% | 4% |
| December 8 | 61°F | 36°F | 8% | 4% |
| December 15 | 59°F | 35°F | 10% | 5% |
| December 22 | 59°F | 34°F | 11% | 5% |
| December 31 | 59°F | 35°F | 11% | 6% |
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 | 63°F | 37°F | 7% | 4% | 10 h |
| December 2 | 63°F | 37°F | 7% | 4% | 10 h |
| December 3 | 62°F | 37°F | 8% | 4% | 10 h |
| December 4 | 62°F | 36°F | 8% | 4% | 10 h |
| December 5 | 62°F | 36°F | 8% | 4% | 10 h |
| December 6 | 61°F | 36°F | 8% | 4% | 10 h |
| December 7 | 61°F | 36°F | 8% | 4% | 9 h 50 min |
| December 8 | 61°F | 36°F | 8% | 4% | 9 h 50 min |
| December 9 | 60°F | 35°F | 9% | 4% | 9 h 50 min |
| December 10 | 60°F | 35°F | 9% | 5% | 9 h 50 min |
| December 11 | 60°F | 35°F | 9% | 5% | 9 h 50 min |
| December 12 | 60°F | 35°F | 9% | 5% | 9 h 50 min |
| December 13 | 60°F | 35°F | 9% | 5% | 9 h 50 min |
| December 14 | 60°F | 35°F | 9% | 5% | 9 h 50 min |
| December 15 | 59°F | 35°F | 10% | 5% | 9 h 50 min |
| December 16 | 59°F | 35°F | 10% | 5% | 9 h 50 min |
| December 17 | 59°F | 34°F | 10% | 5% | 9 h 50 min |
| December 18 | 59°F | 34°F | 10% | 5% | 9 h 50 min |
| December 19 | 59°F | 34°F | 10% | 5% | 9 h 50 min |
| December 20 | 59°F | 34°F | 10% | 5% | 9 h 50 min |
| December 21 | 59°F | 34°F | 11% | 5% | 9 h 50 min |
| December 22 | 59°F | 34°F | 11% | 5% | 9 h 50 min |
| December 23 | 59°F | 34°F | 11% | 6% | 9 h 50 min |
| December 24 | 59°F | 34°F | 11% | 6% | 9 h 50 min |
| December 25 | 59°F | 34°F | 11% | 6% | 9 h 50 min |
| December 26 | 59°F | 34°F | 11% | 6% | 9 h 50 min |
| December 27 | 59°F | 35°F | 11% | 6% | 9 h 50 min |
| December 28 | 59°F | 35°F | 11% | 6% | 9 h 50 min |
| December 29 | 59°F | 35°F | 11% | 6% | 9 h 50 min |
| December 30 | 59°F | 35°F | 11% | 6% | 9 h 50 min |
| December 31 | 59°F | 35°F | 11% | 6% | 9 h 50 min |
- Normal high
- 60°FDecember average
- Normal low
- 35°FDecember average
- Precipitation
- 0.56 inmonth total
- Days with precipitation
- 30.01 inch or more
- Snowfall
- 0.2 inmonth total
- Nights at 32°F or colder
- 11
- Daylight
- 10 h to 9 h 50 minDecember 1 to December 31
- Days at 70°F or more
- 3
- Sunshine
- 86%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023161; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Barstow in December?
On a given December day the chance of 0.01 inch or more is 10% on average, highest around December 30 (11%). In all, 0.56 in falls on 3 days of a normal December.
In a normal December in Barstow, 11 nights fall to freezing and snowfall averages 0.2 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023161.
How humid and windy is Barstow in December?
At 3 p.m. the normal temperature is 58°F with 27% relative humidity and a dew point of 24°F; at 6 a.m. it is 37°F with 58% humidity. The wind averages 7.2 mph, most often from the northwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 37°F | 24°F | 58% | 7.4 mph | 78% |
| 9 a.m. | 44°F | 25°F | 48% | 7.3 mph | 74% |
| noon | 55°F | 24°F | 31% | 8.1 mph | 76% |
| 3 p.m. | 58°F | 24°F | 27% | 8.2 mph | 72% |
| 6 p.m. | 49°F | 24°F | 37% | 6.1 mph | 74% |
| 9 p.m. | 44°F | 24°F | 46% | 6.2 mph | 73% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023161. 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 Barstow?
The warmest December temperature on this station's record (since 1943) is 83°F, on December 12, 1958; the coldest is 7°F, on December 23, 1990. The wettest December brought 2.52 in (2010); the snowiest, 13.0 inches (1967).
The December mean against the 1991-2020 normal of 47.4°F: 2021 48.9°F (+1.5), 2022 48.8°F (+1.4), 2023 51.0°F (+3.6), 2024 53.4°F (+6.0), 2025 54.4°F (+7.0). 5 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 48.9°F | +1.5°F | 0.75 in |
| 2022 | 48.8°F | +1.4°F | 0.19 in |
| 2023 | 51.0°F | +3.6°F | 0.68 in |
| 2024 | 53.4°F | +6.0°F | 0.00 in |
| 2025 | 54.4°F | +7.0°F | 0.54 in |
Source: records: ACIS, station USW00023161; recent months: ACIS, station USW00023161. Records and recent months use complete months only.
How does December in Barstow 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; Barstow's is 60°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.