Climate averages 1991–2020
Savannah weather
in August.
A hot, 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 Savannah: daytime highs average 30.4°C and nights cool to about 23.9°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 150 mm of rain on roughly 19 days, which makes August a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 20 min on an average August day.
The nearest other city in this atlas is Charleston (134 km away). In August its highs average 29.6°C, 0.9°C cooler than Savannah, with 160 mm of rain.
Among the 498 cities listed in the United States, Savannah ranks joint 204th of 498 for the warmest August highs and 475th of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; Savannah is 0.5°C warmer than that mean.
From August to September, average highs fall by 2.1°C to 28.4°C, and monthly rainfall falls from 150 mm to 122 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
Savannah climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 15.1°C6.5°C | 6.5°C | 88 | 8.8 | 10.310 h |
| February | 16.9°C7.9°C | 7.9°C | 84 | 8.7 | 11.011 h |
| March | 20.0°C10.7°C | 10.7°C | 80 | 8.2 | 12.012 h |
| April | 23.8°C14.5°C | 14.5°C | 70 | 6.8 | 12.913 h |
| May | 27.7°C18.8°C | 18.8°C | 59 | 8.4 | 13.814 h |
| June | 30.1°C22.5°C | 22.5°C | 117 | 15.4 | 14.214 h |
| July | 31.5°C24.2°C | 24.2°C | 115 | 16.2 | 14.014 h |
| August, selected | 30.4°C23.9°C | 23.9°C | 150 | 18.8 | 13.313 h |
| September | 28.4°C21.8°C | 21.8°C | 122 | 13.6 | 12.412 h |
| October | 24.5°C16.7°C | 16.7°C | 97 | 7.8 | 11.411 h |
| November | 19.9°C11.4°C | 11.4°C | 59 | 6.3 | 10.511 h |
| December | 16.4°C8.1°C | 8.1°C | 86 | 8.8 | 10.110 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
- Charleston in AugustUnited States · 134 kmHigh 29.6°C · Low 24.5°C · 160 mm rain
- North Charleston in AugustUnited States · 136 kmHigh 30.1°C · Low 23.8°C · 160 mm rain
- Jacksonville in AugustUnited States · 202 kmHigh 30.9°C · Low 24.1°C · 141 mm rain
- Columbia (South Carolina), United States in AugustUnited States · 213 kmHigh 31.2°C · Low 22.0°C · 107 mm rain
- Warner Robins in AugustUnited States · 245 kmHigh 31.9°C · Low 22.5°C · 98 mm rain
- Macon in AugustUnited States · 252 kmHigh 32.0°C · Low 22.4°C · 95 mm rain
- Palm Coast in AugustUnited States · 278 kmHigh 30.3°C · Low 24.9°C · 152 mm rain
- Albany (Georgia), United States in AugustUnited States · 294 kmHigh 32.4°C · Low 23.1°C · 101 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 Savannah) is explained once on the Savannah year overview and on the Sources, method and limits page.