Climate averages 1991–2020
Charlotte weather
in August.
A hot, wet month: the 2nd warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Charlotte: daytime highs average 30.2°C and nights cool to about 20.8°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 96 mm of rain on roughly 13 days, which makes August a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 29 min on an average August day.
The nearest other city in this atlas is Concord (North Carolina), United States (31 km away). In August its highs average 30.4°C, about as warm as Charlotte, with 96 mm of rain.
Among the 498 cities listed in the United States, Charlotte ranks joint 221st of 498 for the warmest August highs and joint 370th of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; Charlotte is 0.3°C warmer than that mean.
From August to September, average highs fall by 3.2°C to 27.1°C, and monthly rainfall rises from 96 mm to 98 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
Charlotte climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.8°C0.4°C | 0.4°C | 91 | 9.4 | 10.110 h |
| February | 12.0°C1.7°C | 1.7°C | 83 | 8.7 | 10.911 h |
| March | 16.1°C5.0°C | 5.0°C | 106 | 9.8 | 11.912 h |
| April | 21.3°C9.7°C | 9.7°C | 87 | 8.8 | 13.113 h |
| May | 25.9°C14.8°C | 14.8°C | 76 | 10.2 | 14.014 h |
| June | 29.7°C19.4°C | 19.4°C | 95 | 13.1 | 14.514 h |
| July | 31.5°C21.6°C | 21.6°C | 98 | 14.2 | 14.314 h |
| August, selected | 30.2°C20.8°C | 20.8°C | 96 | 12.5 | 13.513 h |
| September | 27.1°C17.7°C | 17.7°C | 98 | 9.1 | 12.412 h |
| October | 21.5°C11.4°C | 11.4°C | 81 | 6.8 | 11.311 h |
| November | 15.6°C5.5°C | 5.5°C | 82 | 7.8 | 10.410 h |
| December | 11.2°C2.1°C | 2.1°C | 93 | 9.1 | 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
August in nearby cities
- Concord (North Carolina), United States in AugustUnited States · 31 kmHigh 30.4°C · Low 21.2°C · 96 mm rain
- Gastonia in AugustUnited States · 31 kmHigh 30.0°C · Low 21.1°C · 102 mm rain
- Rock Hill in AugustUnited States · 37 kmHigh 30.4°C · Low 21.4°C · 102 mm rain
- High Point in AugustUnited States · 111 kmHigh 29.7°C · Low 20.3°C · 99 mm rain
- Winston-Salem in AugustUnited States · 111 kmHigh 29.9°C · Low 20.2°C · 91 mm rain
- Greensboro in AugustUnited States · 134 kmHigh 29.7°C · Low 20.4°C · 97 mm rain
- Columbia (South Carolina), United States in AugustUnited States · 137 kmHigh 31.2°C · Low 22.0°C · 107 mm rain
- Asheville in AugustUnited States · 161 kmHigh 27.1°C · Low 17.7°C · 105 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 Charlotte) is explained once on the Charlotte year overview and on the Sources, method and limits page.