Climate averages 1991–2020
Greenville weather
in December.
A cool, wet month: the 11th warmest and the joint 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cool month in Greenville: daytime highs average 12.6°C and nights cool to about 3.7°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 90 mm of rain on roughly 9 days, which makes December a wet month (the joint 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 48 min on an average December day.
The nearest other city in this atlas is Raleigh (116 km away). In December its highs average 11.5°C, 1.1°C cooler than Greenville, with 90 mm of rain.
Among the 498 cities listed in the United States, Greenville ranks joint 225th of 498 for the warmest December highs and joint 328th of 498 for the driest December (rainfall, lowest first). The mean December high of those 498 cities is 10.5°C; Greenville is 2.1°C warmer than that mean.
From December to January, average highs fall by 1.8°C to 10.9°C, and monthly rainfall rises from 90 mm to 94 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Greenville climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.9°C1.9°C | 1.9°C | 94 | 9.1 | 10.010 h |
| February | 12.8°C2.8°C | 2.8°C | 79 | 9.1 | 10.911 h |
| March | 16.6°C6.0°C | 6.0°C | 93 | 9.8 | 11.912 h |
| April | 21.7°C10.9°C | 10.9°C | 80 | 8.6 | 13.113 h |
| May | 25.7°C15.7°C | 15.7°C | 94 | 10.6 | 14.014 h |
| June | 29.2°C20.2°C | 20.2°C | 113 | 13.6 | 14.515 h |
| July | 30.9°C22.6°C | 22.6°C | 136 | 16.9 | 14.314 h |
| August | 29.9°C21.7°C | 21.7°C | 137 | 14.4 | 13.514 h |
| September | 27.0°C19.0°C | 19.0°C | 132 | 11.5 | 12.412 h |
| October | 22.1°C13.0°C | 13.0°C | 90 | 7.4 | 11.311 h |
| November | 16.7°C7.3°C | 7.3°C | 90 | 7.7 | 10.310 h |
| December, selected | 12.6°C3.7°C | 3.7°C | 90 | 9.2 | 9.810 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Raleigh in DecemberUnited States · 116 kmHigh 11.5°C · Low 2.9°C · 90 mm rain
- Cary in DecemberUnited States · 129 kmHigh 11.2°C · Low 2.7°C · 90 mm rain
- Suffolk in DecemberUnited States · 143 kmHigh 11.5°C · Low 3.3°C · 89 mm rain
- Durham in DecemberUnited States · 145 kmHigh 11.1°C · Low 1.9°C · 89 mm rain
- Fayetteville in DecemberUnited States · 151 kmHigh 12.8°C · Low 3.7°C · 93 mm rain
- Portsmouth Heights in DecemberUnited States · 161 kmHigh 11.4°C · Low 3.1°C · 87 mm rain
- Wilmington (North Carolina), United States in DecemberUnited States · 162 kmHigh 14.5°C · Low 7.1°C · 97 mm rain
- Norfolk in DecemberUnited States · 168 kmHigh 11.3°C · Low 3.3°C · 87 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Greenville) is explained once on the Greenville year overview and on the Sources, method and limits page.