Climate averages 1991–2020
Gastonia weather
in August.
A hot, wet month: the 2nd warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Gastonia: daytime highs average 30.0°C and nights cool to about 21.1°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 102 mm of rain on roughly 13 days, which makes August a wet month (the 10th 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 Charlotte (31 km away). In August its highs average 30.2°C, about as warm as Gastonia, with 96 mm of rain.
Among the 498 cities listed in the United States, Gastonia ranks joint 239th of 498 for the warmest August highs and joint 411th of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; Gastonia is 0.1°C warmer than that mean.
From August to September, average highs fall by 3.2°C to 26.9°C, and monthly rainfall falls from 102 mm to 97 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
Gastonia climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.6°C0.8°C | 0.8°C | 98 | 9.7 | 10.110 h |
| February | 11.8°C2.1°C | 2.1°C | 88 | 8.5 | 10.911 h |
| March | 15.9°C5.5°C | 5.5°C | 114 | 10.0 | 11.912 h |
| April | 21.1°C10.2°C | 10.2°C | 97 | 8.9 | 13.113 h |
| May | 25.6°C15.2°C | 15.2°C | 79 | 10.8 | 14.014 h |
| June | 29.4°C19.7°C | 19.7°C | 101 | 12.9 | 14.514 h |
| July | 31.3°C21.8°C | 21.8°C | 105 | 15.1 | 14.314 h |
| August, selected | 30.0°C21.1°C | 21.1°C | 102 | 12.5 | 13.513 h |
| September | 26.9°C18.0°C | 18.0°C | 97 | 9.1 | 12.412 h |
| October | 21.4°C11.9°C | 11.9°C | 86 | 6.8 | 11.311 h |
| November | 15.4°C6.1°C | 6.1°C | 89 | 7.8 | 10.310 h |
| December | 11.0°C2.5°C | 2.5°C | 101 | 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
- Charlotte in AugustUnited States · 31 kmHigh 30.2°C · Low 20.8°C · 96 mm rain
- Rock Hill in AugustUnited States · 40 kmHigh 30.4°C · Low 21.4°C · 102 mm rain
- Concord (North Carolina), United States in AugustUnited States · 57 kmHigh 30.4°C · Low 21.2°C · 96 mm rain
- Winston-Salem in AugustUnited States · 126 kmHigh 29.9°C · Low 20.2°C · 91 mm rain
- Asheville in AugustUnited States · 129 kmHigh 27.1°C · Low 17.7°C · 105 mm rain
- High Point in AugustUnited States · 132 kmHigh 29.7°C · Low 20.3°C · 99 mm rain
- Columbia (South Carolina), United States in AugustUnited States · 141 kmHigh 31.2°C · Low 22.0°C · 107 mm rain
- Greensboro in AugustUnited States · 155 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 Gastonia) is explained once on the Gastonia year overview and on the Sources, method and limits page.