Climate averages 1991–2020
Wilmington (North Carolina), United States weather
in August.
A hot, very wet month: the 2nd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Wilmington (North Carolina), United States: daytime highs average 29.0°C and nights cool to about 23.4°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 183 mm of rain on roughly 17 days, which makes August a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 26 min on an average August day.
The nearest other city in this atlas is Fayetteville (125 km away). In August its highs average 30.5°C, 1.6°C warmer than Wilmington (North Carolina), United States, with 125 mm of rain.
Among the 498 cities listed in the United States, Wilmington (North Carolina), United States ranks joint 286th of 498 for the warmest August highs and 495th of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; Wilmington (North Carolina), United States is 0.9°C cooler than that mean.
From August to September, average highs fall by 2.2°C to 26.8°C, and monthly rainfall falls from 183 mm to 166 mm.
The annual picture
August 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, selected | 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 | 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
August in nearby cities
- Fayetteville in AugustUnited States · 125 kmHigh 30.5°C · Low 21.9°C · 125 mm rain
- Greenville in AugustUnited States · 162 kmHigh 29.9°C · Low 21.7°C · 137 mm rain
- Raleigh in AugustUnited States · 182 kmHigh 30.1°C · Low 21.4°C · 111 mm rain
- Cary in AugustUnited States · 189 kmHigh 29.8°C · Low 21.1°C · 111 mm rain
- Durham in AugustUnited States · 214 kmHigh 30.2°C · Low 21.0°C · 99 mm rain
- North Charleston in AugustUnited States · 243 kmHigh 30.1°C · Low 23.8°C · 160 mm rain
- Charleston in AugustUnited States · 245 kmHigh 29.6°C · Low 24.5°C · 160 mm rain
- Greensboro in AugustUnited States · 264 kmHigh 29.7°C · Low 20.4°C · 97 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.