Cary weather in December: Cary, North Carolina: normal highs, lows, rain and records for December
Cary in December has a normal high of 53°F and a normal low of 34°F, a daily mean of 44°F, falling from 57°F on the 1st to 51°F by the 31st. The month brings 3.53 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 12°C and low of 1°C, 90 mm of precipitation in December.
- NOAA stationCary
- Station IDUSC00311535
- Location35.72°N 78.79°W
- Elevation390 ft (119 m)
- From the center5 miles
- Population182,659
- Jan 50° 31°
- Feb 54° 33°
- Mar 61° 39°
- Apr 71° 47°
- May 78° 56°
- Jun 85° 65°
- Jul 88° 69°
- Aug 86° 68°
- Sep 80° 62°
- Oct 71° 50°
- Nov 62° 39°
- Dec 53° 34°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Cary in December?
The normal high is 53°F and the normal low 34°F, for a daily mean of 43.7°F. December is 6.6°F cooler than November and 3.0°F warmer than January. December is the 10th warmest month of the year in Cary and the 10th wettest. Across the month the normal high falls 6°F, from 57°F on December 1 to 51°F on December 31. From one year to the next December's mean temperature typically moves about 4.1°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 40°F and 48°F.
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 57°F | 36°F | – | – |
| December 8 | 55°F | 35°F | – | – |
| December 15 | 53°F | 34°F | – | – |
| December 22 | 52°F | 33°F | – | – |
| December 31 | 51°F | 32°F | – | – |
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 | 57°F | 36°F | – | – | 10 h |
| December 2 | 57°F | 36°F | – | – | 10 h |
| December 3 | 56°F | 36°F | – | – | 9 h 50 min |
| December 4 | 56°F | 36°F | – | – | 9 h 50 min |
| December 5 | 56°F | 35°F | – | – | 9 h 50 min |
| December 6 | 56°F | 35°F | – | – | 9 h 50 min |
| December 7 | 55°F | 35°F | – | – | 9 h 50 min |
| December 8 | 55°F | 35°F | – | – | 9 h 50 min |
| December 9 | 55°F | 35°F | – | – | 9 h 50 min |
| December 10 | 55°F | 35°F | – | – | 9 h 50 min |
| December 11 | 54°F | 35°F | – | – | 9 h 50 min |
| December 12 | 54°F | 35°F | – | – | 9 h 50 min |
| December 13 | 54°F | 34°F | – | – | 9 h 50 min |
| December 14 | 54°F | 34°F | – | – | 9 h 50 min |
| December 15 | 53°F | 34°F | – | – | 9 h 50 min |
| December 16 | 53°F | 34°F | – | – | 9 h 50 min |
| December 17 | 53°F | 34°F | – | – | 9 h 40 min |
| December 18 | 53°F | 34°F | – | – | 9 h 40 min |
| December 19 | 53°F | 34°F | – | – | 9 h 40 min |
| December 20 | 52°F | 34°F | – | – | 9 h 40 min |
| December 21 | 52°F | 34°F | – | – | 9 h 40 min |
| December 22 | 52°F | 33°F | – | – | 9 h 40 min |
| December 23 | 52°F | 33°F | – | – | 9 h 40 min |
| December 24 | 52°F | 33°F | – | – | 9 h 40 min |
| December 25 | 51°F | 33°F | – | – | 9 h 40 min |
| December 26 | 51°F | 33°F | – | – | 9 h 40 min |
| December 27 | 51°F | 33°F | – | – | 9 h 40 min |
| December 28 | 51°F | 33°F | – | – | 9 h 50 min |
| December 29 | 51°F | 33°F | – | – | 9 h 50 min |
| December 30 | 51°F | 33°F | – | – | 9 h 50 min |
| December 31 | 51°F | 32°F | – | – | 9 h 50 min |
- Normal high
- 53°FDecember average
- Normal low
- 34°FDecember average
- Precipitation
- 3.53 inmonth total
- Nights at 32°F or colder
- 16
- 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 USC00311535; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Cary in December?
In a normal December in Cary, 16 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00311535.
What are the records for December in Cary?
The December mean against the 1991-2020 normal of 43.7°F: 2021 50.0°F (+6.3), 2022 40.3°F (−3.4), 2023 45.9°F (+2.2), 2024 42.6°F (−1.1), 2025 40.9°F (−2.8). 2 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 50.0°F | +6.3°F | 2.10 in |
| 2022 | 40.3°F | −3.4°F | 2.90 in |
| 2023 | 45.9°F | +2.2°F | 6.75 in |
| 2024 | 42.6°F | −1.1°F | 2.38 in |
| 2025 | 40.9°F | −2.8°F | 1.99 in |
Source: recent months: ACIS, station USC00311535. Records and recent months use complete months only.
How does December in Cary compare across North Carolina?
Across the 131 places PlainClimate covers in North Carolina, December normal highs run from 39°F in Beech Mountain to 63°F in Southport; Cary's is 53°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.