Apex weather in December: Apex, North Carolina: normal highs, lows, rain and records for December
Apex in December has a normal high of 54°F and a normal low of 34°F, a daily mean of 44°F, falling from 58°F on the 1st to 51°F by the 31st. Measurable precipitation falls on 11 days in a normal December, 3.67 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 12°C and low of 1°C, 93 mm of precipitation and 1 cm of snow in December.
- NOAA stationApex
- Station IDUSC00310212
- Location35.74°N 78.84°W
- Elevation450 ft (137 m)
- From the center3 miles
- Population75,977
- Jan 51° 31°
- Feb 54° 33°
- Mar 62° 39°
- Apr 72° 48°
- May 79° 57°
- Jun 86° 65°
- Jul 89° 69°
- Aug 87° 68°
- Sep 82° 62°
- Oct 72° 50°
- Nov 62° 40°
- Dec 54° 34°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Apex in December?
The normal high is 54°F and the normal low 34°F, for a daily mean of 44.0°F. December is 6.9°F cooler than November and 3.1°F warmer than January. December is the 10th warmest month of the year in Apex and the 8th wettest. Across the month the normal high falls 7°F, from 58°F on December 1 to 51°F on December 31. From one year to the next December's mean temperature typically moves about 4.4°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 40°F and 48°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 35%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 58°F | 37°F | 31% | 19% |
| December 8 | 56°F | 35°F | 33% | 20% |
| December 15 | 54°F | 34°F | 34% | 21% |
| December 22 | 53°F | 33°F | 35% | 22% |
| December 31 | 51°F | 32°F | 34% | 22% |
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 | 58°F | 37°F | 31% | 19% | 10 h |
| December 2 | 57°F | 36°F | 31% | 19% | 10 h |
| December 3 | 57°F | 36°F | 31% | 19% | 9 h 50 min |
| December 4 | 57°F | 36°F | 31% | 19% | 9 h 50 min |
| December 5 | 56°F | 36°F | 32% | 19% | 9 h 50 min |
| December 6 | 56°F | 36°F | 32% | 19% | 9 h 50 min |
| December 7 | 56°F | 36°F | 32% | 20% | 9 h 50 min |
| December 8 | 56°F | 35°F | 33% | 20% | 9 h 50 min |
| December 9 | 55°F | 35°F | 33% | 20% | 9 h 50 min |
| December 10 | 55°F | 35°F | 33% | 20% | 9 h 50 min |
| December 11 | 55°F | 35°F | 33% | 20% | 9 h 50 min |
| December 12 | 55°F | 35°F | 34% | 20% | 9 h 50 min |
| December 13 | 54°F | 35°F | 34% | 21% | 9 h 50 min |
| December 14 | 54°F | 34°F | 34% | 21% | 9 h 50 min |
| December 15 | 54°F | 34°F | 34% | 21% | 9 h 50 min |
| December 16 | 54°F | 34°F | 34% | 21% | 9 h 50 min |
| December 17 | 53°F | 34°F | 34% | 21% | 9 h 40 min |
| December 18 | 53°F | 34°F | 34% | 21% | 9 h 40 min |
| December 19 | 53°F | 34°F | 34% | 21% | 9 h 40 min |
| December 20 | 53°F | 33°F | 35% | 21% | 9 h 40 min |
| December 21 | 53°F | 33°F | 35% | 22% | 9 h 40 min |
| December 22 | 53°F | 33°F | 35% | 22% | 9 h 40 min |
| December 23 | 52°F | 33°F | 35% | 22% | 9 h 40 min |
| December 24 | 52°F | 33°F | 35% | 22% | 9 h 40 min |
| December 25 | 52°F | 33°F | 35% | 22% | 9 h 40 min |
| December 26 | 52°F | 33°F | 35% | 22% | 9 h 40 min |
| December 27 | 52°F | 32°F | 35% | 22% | 9 h 40 min |
| December 28 | 52°F | 32°F | 35% | 22% | 9 h 40 min |
| December 29 | 51°F | 32°F | 35% | 22% | 9 h 50 min |
| December 30 | 51°F | 32°F | 34% | 22% | 9 h 50 min |
| December 31 | 51°F | 32°F | 34% | 22% | 9 h 50 min |
- Normal high
- 54°FDecember average
- Normal low
- 34°FDecember average
- Precipitation
- 3.67 inmonth total
- Days with precipitation
- 110.01 inch or more
- Snowfall
- 0.2 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
- 3
- Sunshine
- 74%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00310212; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Apex in December?
On a given December day the chance of 0.01 inch or more is 34% on average, highest around December 23 (35%). In all, 3.67 in falls on 11 days of a normal December, 1 of them with an inch or more.
In a normal December in Apex, 16 nights fall to freezing and snowfall averages 0.2 inches.
Snow falls on 1 day in a normal December.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00310212.
What are the records for December in Apex?
The December mean against the 1991-2020 normal of 44.0°F: 2021 51.1°F (+7.1), 2022 41.6°F (−2.4), 2023 47.9°F (+3.9). 2 of 3 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 51.1°F | +7.1°F | 2.29 in |
| 2022 | 41.6°F | −2.4°F | 3.95 in |
| 2023 | 47.9°F | +3.9°F | 8.29 in |
Source: recent months: ACIS, station USC00310212. Records and recent months use complete months only.
How does December in Apex 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; Apex's is 54°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.