Rocky Mount weather in December: Rocky Mount, North Carolina: normal highs, lows, rain and records for December
Rocky Mount in December has a normal high of 55°F and a normal low of 34°F, a daily mean of 44°F, falling from 58°F on the 1st to 52°F by the 31st. Measurable precipitation falls on 10 days in a normal December, 2.93 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 13°C and low of 1°C, 74 mm of precipitation in December.
- NOAA stationRocky Mount Wilson Airport
- Station IDUSW00093759
- Location35.85°N 77.89°W
- Elevation160 ft (49 m)
- Population54,541
- Jan 52° 31°
- Feb 55° 33°
- Mar 63° 39°
- Apr 73° 48°
- May 80° 56°
- Jun 87° 65°
- Jul 91° 69°
- Aug 88° 68°
- Sep 83° 62°
- Oct 73° 50°
- Nov 63° 39°
- Dec 55° 34°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Rocky Mount in December?
The normal high is 55°F and the normal low 34°F, for a daily mean of 44.1°F. December is 6.8°F cooler than November and 2.8°F warmer than January. December is the 10th warmest month of the year in Rocky Mount and the 10th wettest. Across the month the normal high falls 6°F, from 58°F on December 1 to 52°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 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 34%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 58°F | 36°F | 34% | 18% |
| December 8 | 56°F | 35°F | 34% | 18% |
| December 15 | 55°F | 34°F | 33% | 19% |
| December 22 | 53°F | 33°F | 33% | 19% |
| December 31 | 52°F | 32°F | 33% | 19% |
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 | 36°F | 34% | 18% | 10 h |
| December 2 | 58°F | 36°F | 34% | 18% | 9 h 50 min |
| December 3 | 57°F | 35°F | 34% | 18% | 9 h 50 min |
| December 4 | 57°F | 35°F | 34% | 18% | 9 h 50 min |
| December 5 | 57°F | 35°F | 34% | 18% | 9 h 50 min |
| December 6 | 57°F | 35°F | 34% | 18% | 9 h 50 min |
| December 7 | 56°F | 35°F | 34% | 18% | 9 h 50 min |
| December 8 | 56°F | 35°F | 34% | 18% | 9 h 50 min |
| December 9 | 56°F | 34°F | 34% | 18% | 9 h 50 min |
| December 10 | 56°F | 34°F | 34% | 19% | 9 h 50 min |
| December 11 | 56°F | 34°F | 33% | 19% | 9 h 50 min |
| December 12 | 55°F | 34°F | 33% | 19% | 9 h 50 min |
| December 13 | 55°F | 34°F | 33% | 19% | 9 h 50 min |
| December 14 | 55°F | 34°F | 33% | 19% | 9 h 50 min |
| December 15 | 55°F | 34°F | 33% | 19% | 9 h 40 min |
| December 16 | 55°F | 33°F | 33% | 19% | 9 h 40 min |
| December 17 | 54°F | 33°F | 33% | 19% | 9 h 40 min |
| December 18 | 54°F | 33°F | 33% | 19% | 9 h 40 min |
| December 19 | 54°F | 33°F | 33% | 19% | 9 h 40 min |
| December 20 | 54°F | 33°F | 33% | 19% | 9 h 40 min |
| December 21 | 54°F | 33°F | 33% | 19% | 9 h 40 min |
| December 22 | 53°F | 33°F | 33% | 19% | 9 h 40 min |
| December 23 | 53°F | 33°F | 33% | 19% | 9 h 40 min |
| December 24 | 53°F | 32°F | 33% | 19% | 9 h 40 min |
| December 25 | 53°F | 32°F | 33% | 19% | 9 h 40 min |
| December 26 | 53°F | 32°F | 33% | 19% | 9 h 40 min |
| December 27 | 53°F | 32°F | 33% | 19% | 9 h 40 min |
| December 28 | 53°F | 32°F | 33% | 19% | 9 h 40 min |
| December 29 | 53°F | 32°F | 33% | 19% | 9 h 40 min |
| December 30 | 52°F | 32°F | 33% | 19% | 9 h 50 min |
| December 31 | 52°F | 32°F | 33% | 19% | 9 h 50 min |
- Normal high
- 55°FDecember average
- Normal low
- 34°FDecember average
- Precipitation
- 2.93 inmonth total
- Days with precipitation
- 100.01 inch or more
- 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 USW00093759; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Rocky Mount in December?
On a given December day the chance of 0.01 inch or more is 33% on average, highest around December 1 (34%). In all, 2.93 in falls on 10 days of a normal December, 1 of them with an inch or more.
In a normal December in Rocky Mount, 16 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093759.
What are the records for December in Rocky Mount?
The warmest December temperature on this station's record (since 2000) is 81°F, on December 22, 2013; the coldest is 13°F, on December 28, 2004. The wettest December brought 6.29 in (2009).
The December mean against the 1991-2020 normal of 44.1°F: 2021 51.6°F (+7.5), 2022 43.1°F (−1.0), 2023 48.1°F (+4.0), 2024 44.6°F (+0.5), 2025 41.3°F (−2.8). 3 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 51.6°F | +7.5°F | 2.47 in |
| 2022 | 43.1°F | −1.0°F | 2.51 in |
| 2023 | 48.1°F | +4.0°F | 5.82 in |
| 2024 | 44.6°F | +0.5°F | 0.71 in |
| 2025 | 41.3°F | −2.8°F | 0.75 in |
Source: records: ACIS, station USW00093759; recent months: ACIS, station USW00093759. Records and recent months use complete months only.
How does December in Rocky Mount 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; Rocky Mount's is 55°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Rocky Mount in November63°F by day, 39°F at night
- Rocky Mount in January52°F by day, 31°F at night
- Rocky Mount through the yearEvery month, frost dates, records and recent years
- North Carolina in DecemberThe statewide normal and the warmest and coolest places
- Southport: North Carolina's warmest Decembernormal high 63°F