Climate averages 1991–2020
Wilmington (North Carolina), United States weather
in December.
A cool, wet month: the 10th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cool month in Wilmington (North Carolina), United States: daytime highs average 14.5°C and nights cool to about 7.1°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 97 mm of rain on roughly 9 days, which makes December a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 55 min on an average December day.
The nearest other city in this atlas is Fayetteville (125 km away). In December its highs average 12.8°C, 1.6°C cooler than Wilmington (North Carolina), United States, with 93 mm of rain.
Among the 498 cities listed in the United States, Wilmington (North Carolina), United States ranks joint 147th of 498 for the warmest December highs and 369th of 498 for the driest December (rainfall, lowest first). The mean December high of those 498 cities is 10.5°C; Wilmington (North Carolina), United States is 3.9°C warmer than that mean.
From December to January, average highs fall by 1.7°C to 12.8°C, and monthly rainfall falls from 97 mm to 91 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
Wilmington (North Carolina), United States climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 12.8°C5.2°C | 5.2°C | 91 | 9.3 | 10.110 h |
| February | 14.2°C6.2°C | 6.2°C | 88 | 8.8 | 10.911 h |
| March | 17.0°C9.0°C | 9.0°C | 101 | 9.2 | 11.912 h |
| April | 21.0°C13.3°C | 13.3°C | 82 | 8.1 | 13.013 h |
| May | 24.9°C17.8°C | 17.8°C | 93 | 10.5 | 13.914 h |
| June | 28.2°C22.0°C | 22.0°C | 125 | 14.5 | 14.414 h |
| July | 29.7°C24.0°C | 24.0°C | 159 | 17.6 | 14.214 h |
| August | 29.0°C23.4°C | 23.4°C | 183 | 17.4 | 13.413 h |
| September | 26.8°C21.1°C | 21.1°C | 166 | 13.4 | 12.412 h |
| October | 22.7°C15.9°C | 15.9°C | 100 | 8.1 | 11.411 h |
| November | 17.9°C10.6°C | 10.6°C | 89 | 8.0 | 10.410 h |
| December, selected | 14.5°C7.1°C | 7.1°C | 97 | 9.1 | 9.910 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
- Fayetteville in DecemberUnited States · 125 kmHigh 12.8°C · Low 3.7°C · 93 mm rain
- Greenville in DecemberUnited States · 162 kmHigh 12.6°C · Low 3.7°C · 90 mm rain
- Raleigh in DecemberUnited States · 182 kmHigh 11.5°C · Low 2.9°C · 90 mm rain
- Cary in DecemberUnited States · 189 kmHigh 11.2°C · Low 2.7°C · 90 mm rain
- Durham in DecemberUnited States · 214 kmHigh 11.1°C · Low 1.9°C · 89 mm rain
- North Charleston in DecemberUnited States · 243 kmHigh 15.8°C · Low 7.5°C · 86 mm rain
- Charleston in DecemberUnited States · 245 kmHigh 15.9°C · Low 8.9°C · 86 mm rain
- Greensboro in DecemberUnited States · 264 kmHigh 10.1°C · Low 1.3°C · 91 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 Wilmington) is explained once on the Wilmington (North Carolina), United States year overview and on the Sources, method and limits page.