Greenville weather in December: Greenville, South Carolina: normal highs, lows, rain and records for December
Greenville in December has a normal high of 55°F and a normal low of 35°F, a daily mean of 45°F, falling from 58°F on the 1st to 53°F by the 31st. Measurable precipitation falls on 10 days in a normal December, 4.58 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 13°C and low of 2°C, 116 mm of precipitation and 2 cm of snow in December.
- NOAA stationGrnvl Spart International Airport
- Station IDUSW00003870
- Location34.88°N 82.22°W
- Elevation940 ft (287 m)
- Population74,371
- Jan 53° 32°
- Feb 57° 35°
- Mar 64° 41°
- Apr 73° 49°
- May 80° 58°
- Jun 87° 66°
- Jul 90° 69°
- Aug 89° 68°
- Sep 83° 62°
- Oct 73° 50°
- Nov 63° 40°
- Dec 55° 35°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Greenville in December?
The normal high is 55°F and the normal low 35°F, for a daily mean of 44.8°F. December is 6.8°F cooler than November and 2.3°F warmer than January. December is the 11th warmest month of the year in Greenville and the 3rd wettest. Across the month the normal high falls 5°F, from 58°F on December 1 to 53°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 41°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 35%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| December 1 | 58°F | 37°F | 30% | 20% |
| December 8 | 56°F | 36°F | 31% | 21% |
| December 15 | 55°F | 35°F | 33% | 22% |
| December 22 | 54°F | 34°F | 34% | 22% |
| December 31 | 53°F | 33°F | 35% | 23% |
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 | 30% | 20% | 10 h |
| December 2 | 58°F | 37°F | 30% | 20% | 10 h |
| December 3 | 58°F | 37°F | 30% | 20% | 10 h |
| December 4 | 57°F | 37°F | 31% | 20% | 10 h |
| December 5 | 57°F | 36°F | 31% | 20% | 10 h |
| December 6 | 57°F | 36°F | 31% | 21% | 10 h |
| December 7 | 57°F | 36°F | 31% | 21% | 9 h 50 min |
| December 8 | 56°F | 36°F | 31% | 21% | 9 h 50 min |
| December 9 | 56°F | 36°F | 32% | 21% | 9 h 50 min |
| December 10 | 56°F | 36°F | 32% | 21% | 9 h 50 min |
| December 11 | 56°F | 36°F | 32% | 21% | 9 h 50 min |
| December 12 | 55°F | 35°F | 32% | 21% | 9 h 50 min |
| December 13 | 55°F | 35°F | 32% | 21% | 9 h 50 min |
| December 14 | 55°F | 35°F | 32% | 22% | 9 h 50 min |
| December 15 | 55°F | 35°F | 33% | 22% | 9 h 50 min |
| December 16 | 55°F | 35°F | 33% | 22% | 9 h 50 min |
| December 17 | 55°F | 35°F | 33% | 22% | 9 h 50 min |
| December 18 | 54°F | 34°F | 33% | 22% | 9 h 50 min |
| December 19 | 54°F | 34°F | 33% | 22% | 9 h 50 min |
| December 20 | 54°F | 34°F | 34% | 22% | 9 h 50 min |
| December 21 | 54°F | 34°F | 34% | 22% | 9 h 50 min |
| December 22 | 54°F | 34°F | 34% | 22% | 9 h 50 min |
| December 23 | 54°F | 34°F | 34% | 22% | 9 h 50 min |
| December 24 | 53°F | 34°F | 34% | 22% | 9 h 50 min |
| December 25 | 53°F | 34°F | 34% | 22% | 9 h 50 min |
| December 26 | 53°F | 33°F | 34% | 23% | 9 h 50 min |
| December 27 | 53°F | 33°F | 34% | 23% | 9 h 50 min |
| December 28 | 53°F | 33°F | 34% | 23% | 9 h 50 min |
| December 29 | 53°F | 33°F | 34% | 23% | 9 h 50 min |
| December 30 | 53°F | 33°F | 34% | 23% | 9 h 50 min |
| December 31 | 53°F | 33°F | 35% | 23% | 9 h 50 min |
- Normal high
- 55°FDecember average
- Normal low
- 35°FDecember average
- Precipitation
- 4.58 inmonth total
- Days with precipitation
- 100.01 inch or more
- Snowfall
- 0.6 inmonth total
- Nights at 32°F or colder
- 14
- Daylight
- 10 h to 9 h 50 minDecember 1 to December 31
- Days at 70°F or more
- 2
- Sunshine
- 73%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003870; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Greenville in December?
On a given December day the chance of 0.01 inch or more is 33% on average, highest around December 31 (35%). In all, 4.58 in falls on 10 days of a normal December, 2 of them with an inch or more.
In a normal December in Greenville, 14 nights fall to freezing and snowfall averages 0.6 inches.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003870.
How humid and windy is Greenville in December?
At 3 p.m. the normal temperature is 51°F with 47% relative humidity and a dew point of 32°F; at 6 a.m. it is 38°F with 77% humidity. The wind averages 6.5 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 38°F | 31°F | 77% | 5.4 mph | 64% |
| 9 a.m. | 40°F | 32°F | 74% | 5.9 mph | 62% |
| noon | 48°F | 32°F | 54% | 7.9 mph | 60% |
| 3 p.m. | 51°F | 32°F | 47% | 8.5 mph | 61% |
| 6 p.m. | 47°F | 32°F | 58% | 6.8 mph | 64% |
| 9 p.m. | 43°F | 32°F | 66% | 5.9 mph | 64% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00003870. 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 Greenville?
The warmest December temperature on this station's record (since 1962) is 79°F, on December 11, 2007; the coldest is 5°F, on December 26, 1985. The wettest December brought 11.46 in (2018); the snowiest, 11.4 inches (1971).
The December mean against the 1991-2020 normal of 44.8°F: 2021 52.3°F (+7.5), 2022 42.6°F (−2.2), 2023 46.5°F (+1.7), 2024 44.6°F (−0.2), 2025 44.1°F (−0.7). 2 of 5 ran warmer than normal.
| December | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 52.3°F | +7.5°F | 2.91 in |
| 2022 | 42.6°F | −2.2°F | 4.54 in |
| 2023 | 46.5°F | +1.7°F | 4.93 in |
| 2024 | 44.6°F | −0.2°F | 5.18 in |
| 2025 | 44.1°F | −0.7°F | 1.55 in |
Source: records: ACIS, station USW00003870; recent months: ACIS, station USW00003870. Records and recent months use complete months only.
How does December in Greenville compare across South Carolina?
Across the 73 places PlainClimate covers in South Carolina, December normal highs run from 48°F in Caesars Head to 64°F in Hampton; Greenville's is 55°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Greenville in November63°F by day, 40°F at night
- Greenville in January53°F by day, 32°F at night
- Greenville through the yearEvery month, frost dates, records and recent years
- South Carolina in DecemberThe statewide normal and the warmest and coolest places
- Hampton: South Carolina's warmest Decembernormal high 64°F