Redding weather in December: Redding, California: normal highs, lows, rain and records for December
Redding in December has a normal high of 56°F and a normal low of 37°F, a daily mean of 47°F, falling from 58°F on the 1st to 56°F by the 31st. Measurable precipitation falls on 13 days in a normal December, 6.31 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 13°C and low of 3°C, 160 mm of precipitation and 2 cm of snow in December.
- NOAA stationRedding Airport
- Station IDUSW00024257
- Location40.52°N 122.30°W
- Elevation497 ft (152 m)
- Population93,502
- Jan 57° 38°
- Feb 61° 40°
- Mar 66° 43°
- Apr 72° 47°
- May 82° 54°
- Jun 92° 62°
- Jul 100° 67°
- Aug 98° 64°
- Sep 92° 58°
- Oct 79° 50°
- Nov 64° 42°
- Dec 56° 37°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Redding in December?
The normal high is 56°F and the normal low 37°F, for a daily mean of 46.6°F. December is 6.3°F cooler than November and 0.9°F cooler than January. December is the 12th warmest month of the year in Redding and the wettest. Across the month the normal high falls 2°F, from 58°F on December 1 to 56°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 45°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 40%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 58°F | 38°F | 37% | 27% |
| December 8 | 57°F | 38°F | 39% | 28% |
| December 15 | 56°F | 37°F | 40% | 29% |
| December 22 | 55°F | 37°F | 40% | 29% |
| December 31 | 56°F | 37°F | 39% | 28% |
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 | 58°F | 38°F | 37% | 27% | 9 h 30 min |
| December 2 | 58°F | 38°F | 37% | 27% | 9 h 30 min |
| December 3 | 58°F | 38°F | 38% | 27% | 9 h 30 min |
| December 4 | 57°F | 38°F | 38% | 28% | 9 h 30 min |
| December 5 | 57°F | 38°F | 38% | 28% | 9 h 30 min |
| December 6 | 57°F | 38°F | 39% | 28% | 9 h 30 min |
| December 7 | 57°F | 38°F | 39% | 28% | 9 h 20 min |
| December 8 | 57°F | 38°F | 39% | 28% | 9 h 20 min |
| December 9 | 56°F | 37°F | 39% | 29% | 9 h 20 min |
| December 10 | 56°F | 37°F | 39% | 29% | 9 h 20 min |
| December 11 | 56°F | 37°F | 39% | 29% | 9 h 20 min |
| December 12 | 56°F | 37°F | 40% | 29% | 9 h 20 min |
| December 13 | 56°F | 37°F | 40% | 29% | 9 h 20 min |
| December 14 | 56°F | 37°F | 40% | 29% | 9 h 20 min |
| December 15 | 56°F | 37°F | 40% | 29% | 9 h 20 min |
| December 16 | 56°F | 37°F | 40% | 29% | 9 h 20 min |
| December 17 | 55°F | 37°F | 40% | 29% | 9 h 20 min |
| December 18 | 55°F | 37°F | 40% | 29% | 9 h 20 min |
| December 19 | 55°F | 37°F | 40% | 29% | 9 h 20 min |
| December 20 | 55°F | 37°F | 40% | 29% | 9 h 20 min |
| December 21 | 55°F | 37°F | 40% | 29% | 9 h 20 min |
| December 22 | 55°F | 37°F | 40% | 29% | 9 h 20 min |
| December 23 | 55°F | 37°F | 39% | 29% | 9 h 20 min |
| December 24 | 55°F | 37°F | 39% | 29% | 9 h 20 min |
| December 25 | 55°F | 37°F | 39% | 29% | 9 h 20 min |
| December 26 | 55°F | 37°F | 39% | 29% | 9 h 20 min |
| December 27 | 55°F | 37°F | 39% | 29% | 9 h 20 min |
| December 28 | 56°F | 37°F | 39% | 29% | 9 h 20 min |
| December 29 | 56°F | 37°F | 39% | 28% | 9 h 20 min |
| December 30 | 56°F | 37°F | 39% | 28% | 9 h 20 min |
| December 31 | 56°F | 37°F | 39% | 28% | 9 h 20 min |
- Normal high
- 56°FDecember average
- Normal low
- 37°FDecember average
- Precipitation
- 6.31 inmonth total
- Days with precipitation
- 130.01 inch or more
- Snowfall
- 0.7 inmonth total
- Nights at 32°F or colder
- 10
- Daylight
- 9 h 30 min to 9 h 20 minDecember 1 to December 31
- Days at 70°F or more
- 1
- Sunshine
- 66%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00024257; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Redding in December?
On a given December day the chance of 0.01 inch or more is 39% on average, highest around December 13 (40%). In all, 6.31 in falls on 13 days of a normal December, 2 of them with an inch or more.
In a normal December in Redding, 10 nights fall to freezing and snowfall averages 0.7 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024257.
How humid and windy is Redding in December?
At 3 p.m. the normal temperature is 54°F with 51% relative humidity and a dew point of 36°F; at 6 a.m. it is 39°F with 81% humidity. The wind averages 5.1 mph, most often from the northeast in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 39°F | 34°F | 81% | 4.3 mph | 53% |
| 9 a.m. | 41°F | 35°F | 78% | 4.5 mph | 53% |
| noon | 50°F | 36°F | 59% | 6.3 mph | 55% |
| 3 p.m. | 54°F | 36°F | 51% | 6.6 mph | 58% |
| 6 p.m. | 48°F | 37°F | 65% | 5.2 mph | 58% |
| 9 p.m. | 44°F | 36°F | 74% | 4.9 mph | 60% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00024257. 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 Redding?
The warmest December temperature on Redding's official record (since 1893) is 83°F, on December 1, 2021; the coldest is 16°F, on December 9, 2009. The wettest December brought 17.97 in (1940); the snowiest, 23.0 inches (1909).
The December mean against the 1991-2020 normal of 46.6°F: 2021 45.4°F (−1.2), 2022 45.0°F (−1.6), 2023 51.6°F (+5.0), 2024 49.3°F (+2.7), 2025 47.6°F (+1.0). 3 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 45.4°F | −1.2°F | 5.37 in |
| 2022 | 45.0°F | −1.6°F | 8.31 in |
| 2023 | 51.6°F | +5.0°F | 7.50 in |
| 2024 | 49.3°F | +2.7°F | 9.15 in |
| 2025 | 47.6°F | +1.0°F | 8.09 in |
Source: records: ACIS, NWS threaded record RDDthr; recent months: ACIS, station USW00024257. Records and recent months use complete months only.
How does December in Redding 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; Redding's is 56°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.