Norman weather in December: Norman, Oklahoma: normal highs, lows, rain and records for December
Norman in December has a normal high of 52°F and a normal low of 31°F, a daily mean of 41°F, falling from 56°F on the 1st to 49°F by the 31st. Measurable precipitation falls on 6 days in a normal December, 2.00 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 11°C and low of −1°C, 51 mm of precipitation and 3 cm of snow in December.
- NOAA stationNorman (3 mi SSE)
- Station IDUSC00346386
- Location35.18°N 97.44°W
- Elevation1,128 ft (344 m)
- Population131,010
- Jan 50° 28°
- Feb 54° 31°
- Mar 63° 40°
- Apr 71° 48°
- May 79° 58°
- Jun 87° 67°
- Jul 93° 71°
- Aug 92° 70°
- Sep 84° 62°
- Oct 74° 50°
- Nov 62° 39°
- Dec 52° 31°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Norman in December?
The normal high is 52°F and the normal low 31°F, for a daily mean of 41.1°F. December is 9.2°F cooler than November and 2.3°F warmer than January. December is the 11th warmest month of the year in Norman and the 10th wettest. Across the month the normal high falls 7°F, from 56°F on December 1 to 49°F on December 31. From one year to the next December's mean temperature typically moves about 3.1°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 38°F and 44°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 19%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 56°F | 34°F | 19% | 11% |
| December 8 | 53°F | 32°F | 19% | 11% |
| December 15 | 51°F | 31°F | 19% | 10% |
| December 22 | 50°F | 29°F | 19% | 10% |
| December 31 | 49°F | 28°F | 18% | 9% |
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| December 1 | 56°F | 34°F | 19% | 11% | 10 h |
| December 2 | 55°F | 33°F | 19% | 11% | 10 h |
| December 3 | 55°F | 33°F | 19% | 11% | 10 h |
| December 4 | 55°F | 33°F | 19% | 11% | 10 h |
| December 5 | 54°F | 33°F | 19% | 11% | 9 h 50 min |
| December 6 | 54°F | 32°F | 19% | 11% | 9 h 50 min |
| December 7 | 54°F | 32°F | 19% | 11% | 9 h 50 min |
| December 8 | 53°F | 32°F | 19% | 11% | 9 h 50 min |
| December 9 | 53°F | 32°F | 19% | 10% | 9 h 50 min |
| December 10 | 53°F | 32°F | 19% | 10% | 9 h 50 min |
| December 11 | 52°F | 31°F | 19% | 10% | 9 h 50 min |
| December 12 | 52°F | 31°F | 19% | 10% | 9 h 50 min |
| December 13 | 52°F | 31°F | 19% | 10% | 9 h 50 min |
| December 14 | 52°F | 31°F | 19% | 10% | 9 h 50 min |
| December 15 | 51°F | 31°F | 19% | 10% | 9 h 50 min |
| December 16 | 51°F | 30°F | 19% | 10% | 9 h 50 min |
| December 17 | 51°F | 30°F | 19% | 10% | 9 h 50 min |
| December 18 | 51°F | 30°F | 19% | 10% | 9 h 50 min |
| December 19 | 51°F | 30°F | 19% | 10% | 9 h 50 min |
| December 20 | 50°F | 30°F | 19% | 10% | 9 h 50 min |
| December 21 | 50°F | 30°F | 19% | 10% | 9 h 50 min |
| December 22 | 50°F | 29°F | 19% | 10% | 9 h 50 min |
| December 23 | 50°F | 29°F | 19% | 10% | 9 h 50 min |
| December 24 | 50°F | 29°F | 19% | 10% | 9 h 50 min |
| December 25 | 50°F | 29°F | 19% | 9% | 9 h 50 min |
| December 26 | 50°F | 29°F | 19% | 9% | 9 h 50 min |
| December 27 | 50°F | 29°F | 19% | 9% | 9 h 50 min |
| December 28 | 49°F | 29°F | 18% | 9% | 9 h 50 min |
| December 29 | 49°F | 29°F | 18% | 9% | 9 h 50 min |
| December 30 | 49°F | 29°F | 18% | 9% | 9 h 50 min |
| December 31 | 49°F | 28°F | 18% | 9% | 9 h 50 min |
- Normal high
- 52°FDecember average
- Normal low
- 31°FDecember average
- Precipitation
- 2.00 inmonth total
- Days with precipitation
- 60.01 inch or more
- Snowfall
- 1.0 inmonth total
- Nights at 32°F or colder
- 20
- Daylight
- 10 h to 9 h 50 minDecember 1 to December 31
- Days at 70°F or more
- 2
- Sunshine
- 74%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00346386; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Norman in December?
On a given December day the chance of 0.01 inch or more is 19% on average, highest around December 9 (19%). In all, 2.00 in falls on 6 days of a normal December, 1 of them with an inch or more.
In a normal December in Norman, 20 nights fall to freezing, 2 days stay below freezing all day and snowfall averages 1.0 inches.
Snow falls on 1 day in a normal December, and an inch or more covers the ground on 1 day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00346386.
What are the records for December in Norman?
The warmest December temperature on this station's record (since 1894) is 86°F, on December 24, 1955; the coldest is −3°F, on December 20, 1924. The wettest December brought 7.91 in (1984); the snowiest, 7.5 inches (1969).
The December mean against the 1991-2020 normal of 41.1°F: 2023 46.3°F (+5.2), 2024 45.9°F (+4.8), 2025 45.3°F (+4.2). 3 of 3 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2023 | 46.3°F | +5.2°F | 2.51 in |
| 2024 | 45.9°F | +4.8°F | 0.84 in |
| 2025 | 45.3°F | +4.2°F | 0.35 in |
Source: records: ACIS, station USC00346386; recent months: ACIS, station USC00346386. Records and recent months use complete months only.
How does December in Norman compare across Oklahoma?
Across the 134 places PlainClimate covers in Oklahoma, December normal highs run from 47°F in Newkirk to 57°F in Idabel; Norman's is 52°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.