Blythe weather in December: Blythe, California: normal highs, lows, rain and records for December
Blythe in December has a normal high of 66°F and a normal low of 42°F, a daily mean of 54°F, falling from 70°F on the 1st to 66°F by the 31st. Measurable precipitation falls on 2 days in a normal December, 0.43 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 19°C and low of 5°C, 11 mm of precipitation in December.
- NOAA stationBlythe Airport
- Station IDUSW00023158
- Location33.62°N 114.71°W
- Elevation395 ft (120 m)
- Population17,320
- Jan 68° 43°
- Feb 72° 46°
- Mar 80° 52°
- Apr 87° 57°
- May 96° 65°
- Jun 105° 73°
- Jul 109° 82°
- Aug 108° 82°
- Sep 102° 74°
- Oct 90° 61°
- Nov 77° 49°
- Dec 66° 42°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Blythe in December?
The normal high is 66°F and the normal low 42°F, for a daily mean of 54.0°F. December is 8.9°F cooler than November and 1.7°F cooler than January. December is the 12th warmest month of the year in Blythe and the 4th wettest. Across the month the normal high falls 4°F, from 70°F on December 1 to 66°F on December 31. From one year to the next December's mean temperature typically moves about 1.7°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 52°F and 56°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 8%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 70°F | 44°F | 6% | 3% |
| December 8 | 67°F | 42°F | 6% | 3% |
| December 15 | 66°F | 41°F | 7% | 3% |
| December 22 | 65°F | 41°F | 7% | 4% |
| December 31 | 66°F | 42°F | 8% | 4% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 16)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 70°F | 44°F | 6% | 3% | 10 h 10 min |
| December 2 | 69°F | 43°F | 6% | 3% | 10 h 10 min |
| December 3 | 69°F | 43°F | 6% | 3% | 10 h |
| December 4 | 69°F | 43°F | 6% | 3% | 10 h |
| December 5 | 68°F | 43°F | 6% | 3% | 10 h |
| December 6 | 68°F | 42°F | 6% | 3% | 10 h |
| December 7 | 68°F | 42°F | 6% | 3% | 10 h |
| December 8 | 67°F | 42°F | 6% | 3% | 10 h |
| December 9 | 67°F | 42°F | 6% | 3% | 10 h |
| December 10 | 67°F | 42°F | 6% | 3% | 10 h |
| December 11 | 67°F | 42°F | 6% | 3% | 10 h |
| December 12 | 66°F | 41°F | 6% | 3% | 10 h |
| December 13 | 66°F | 41°F | 6% | 3% | 10 h |
| December 14 | 66°F | 41°F | 6% | 3% | 10 h |
| December 15 | 66°F | 41°F | 7% | 3% | 10 h |
| December 16 | 66°F | 41°F | 7% | 4% | 10 h |
| December 17 | 66°F | 41°F | 7% | 4% | 10 h |
| December 18 | 65°F | 41°F | 7% | 4% | 10 h |
| December 19 | 65°F | 41°F | 7% | 4% | 10 h |
| December 20 | 65°F | 41°F | 7% | 4% | 10 h |
| December 21 | 65°F | 41°F | 7% | 4% | 10 h |
| December 22 | 65°F | 41°F | 7% | 4% | 10 h |
| December 23 | 65°F | 41°F | 7% | 4% | 10 h |
| December 24 | 65°F | 41°F | 7% | 4% | 10 h |
| December 25 | 65°F | 41°F | 7% | 4% | 10 h |
| December 26 | 65°F | 41°F | 7% | 4% | 10 h |
| December 27 | 66°F | 41°F | 7% | 4% | 10 h |
| December 28 | 66°F | 42°F | 7% | 4% | 10 h |
| December 29 | 66°F | 42°F | 7% | 4% | 10 h |
| December 30 | 66°F | 42°F | 8% | 4% | 10 h |
| December 31 | 66°F | 42°F | 8% | 4% | 10 h |
- Normal high
- 66°FDecember average
- Normal low
- 42°FDecember average
- Precipitation
- 0.43 inmonth total
- Days with precipitation
- 20.01 inch or more
- Nights at 32°F or colder
- 1
- Daylight
- 10 h 10 min to 10 hDecember 1 to December 31
- Days at 70°F or more
- 10
- Sunshine
- 87%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023158; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Blythe in December?
On a given December day the chance of 0.01 inch or more is 7% on average, highest around December 31 (8%). In all, 0.43 in falls on 2 days of a normal December.
In a normal December in Blythe, 1 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023158.
How humid and windy is Blythe in December?
At 3 p.m. the normal temperature is 64°F with 24% relative humidity and a dew point of 26°F; at 6 a.m. it is 44°F with 47% humidity. The wind averages 6.2 mph, most often from the north in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 44°F | 25°F | 47% | 5.3 mph | 81% |
| 9 a.m. | 51°F | 27°F | 39% | 5.5 mph | 78% |
| noon | 61°F | 26°F | 27% | 7.1 mph | 79% |
| 3 p.m. | 64°F | 26°F | 24% | 7.9 mph | 77% |
| 6 p.m. | 56°F | 28°F | 34% | 5.7 mph | 80% |
| 9 p.m. | 51°F | 26°F | 38% | 6.5 mph | 83% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00023158. 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 Blythe?
The warmest December temperature on this station's record (since 1948) is 87°F, on December 29, 1980; the coldest is 24°F, on December 22, 1968. The wettest December brought 3.33 in (1984).
The December mean against the 1991-2020 normal of 54.0°F: 2021 56.1°F (+2.1), 2022 53.4°F (−0.6), 2023 56.3°F (+2.3), 2024 57.4°F (+3.4), 2025 59.4°F (+5.4). 4 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 56.1°F | +2.1°F | 0.17 in |
| 2022 | 53.4°F | −0.6°F | 0.20 in |
| 2023 | 56.3°F | +2.3°F | 0.30 in |
| 2024 | 57.4°F | +3.4°F | 0.00 in |
| 2025 | 59.4°F | +5.4°F | 0.74 in |
Source: records: ACIS, station USW00023158; recent months: ACIS, station USW00023158. Records and recent months use complete months only.
How does December in Blythe 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; Blythe's is 66°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.