August is one of the warmer months of the year in Savannah, with average highs near 32°C and lows around 24°C (mean 28°C). It is a relatively wet time of year, averaging 175 mm of rainfall and 78% relative humidity across the period.
August is one of the warmer months of the year in Savannah. Across 45 years of records, the warmest August in Savannah was 2023 — when the month averaged 30°C — while the coldest was 1981 at 26.6°C. Typical August days reach 32°C with nights near 24°C. The long-term trend is warming, about 0.3°C per decade.
August is a relatively wet time of year in Savannah, averaging 175 mm of rainfall. The wettest August on record was 1995 with 383 mm, while the driest was 1994 at 73 mm.
Relative humidity in Savannah during August averages 78%. The most humid August was 2003 at 84%, and the least humid was 2000 at 67%.
August receives about 5.5 kWh/m²/day of solar energy in Savannah. The sunniest Augusts were 1999, 2011 and 2018 at 6.1 kWh/m²/day, and the cloudiest were 1985, 1986 and 2025 at 4.9.
Average wind speed in Savannah during August is 1 m/s. The windiest August was 1995 at 1.3 m/s, while the calmest were 2005, 2009 and 2022, among others at 0.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 27.5°C | 27.7°C | 28.1°C | 28.5°C | 28.5°C | +1°C |
| Avg High | 31.4°C | 31.7°C | 32.2°C | 32.5°C | 32.2°C | +0.8°C |
| Avg Low | 23.6°C | 23.7°C | 24.0°C | 24.4°C | 24.7°C | +1.1°C |
| Avg Rain | 211 mm | 173 mm | 154 mm | 157 mm | 192 mm | -19 mm |
August temperatures in Savannah have risen by about 1.2°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 16.4°C (1986) to a record high of 39.8°C (1999).
Rainfall in August is a relatively wet time of year, averaging 175 mm, with a wettest year of 383 mm.
A quieter season to visit Savannah
If your dates are flexible, the more temperate months of October and May tend to be the most comfortable for visiting Savannah. That said, August — with days averaging 32°C and nights around 24°C (mean 28°C) and higher rainfall (175 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 31.2°C | 27.6°C | 24.1°C | 35.2°C | 20.6°C | 239 mm | 82% | 1 m/s | 4.9 |
| 2024 | 31.7°C | 28.1°C | 24.5°C | 35.4°C | 21.9°C | 229 mm | 82% | 1.2 m/s | 5.6 |
| 2023 🔥 | 34.4°C | 30.0°C | 25.5°C | 37.7°C | 23.2°C | 149 mm | 75% | 1 m/s | 6 |
| 2022 | 31.8°C | 28.1°C | 24.4°C | 35.7°C | 20.7°C | 185 mm | 79% | 0.9 m/s | 5.2 |
| 2021 | 31.6°C | 28.2°C | 24.7°C | 35.7°C | 22.5°C | 164 mm | 81% | 1 m/s | 5.3 |
| 2020 | 32.8°C | 28.8°C | 24.7°C | 36.2°C | 23.3°C | 187 mm | 78% | 1 m/s | 5.6 |
| 2019 | 33.3°C | 28.9°C | 24.5°C | 38.6°C | 21.7°C | 144 mm | 76% | 1 m/s | 5.5 |
| 2018 | 32.1°C | 28.2°C | 24.2°C | 34.0°C | 22.2°C | 122 mm | 80% | 1 m/s | 6.1 |
| 2017 | 31.7°C | 27.9°C | 24.1°C | 34.8°C | 20.4°C | 170 mm | 82% | 1.1 m/s | 5.5 |
| 2016 | 33.5°C | 29.3°C | 25.1°C | 36.3°C | 22.8°C | 116 mm | 72% | 1.2 m/s | 6 |
| 2015 | 32.2°C | 28.3°C | 24.4°C | 35.7°C | 22.3°C | 219 mm | 77% | 1 m/s | 5.5 |
| 2014 | 32.7°C | 28.3°C | 23.8°C | 38.2°C | 20.5°C | 131 mm | 76% | 1 m/s | 6 |
| 2013 | 31.2°C | 27.5°C | 23.8°C | 34.7°C | 20.5°C | 183 mm | 81% | 1 m/s | 5.4 |
| 2012 | 30.9°C | 27.2°C | 23.5°C | 35.7°C | 19.8°C | 196 mm | 80% | 1 m/s | 5 |
| 2011 | 34.5°C | 29.7°C | 24.9°C | 38.3°C | 22.8°C | 95 mm | 72% | 1 m/s | 6.1 |
| 2010 | 33.3°C | 29.3°C | 25.4°C | 36.2°C | 22.4°C | 193 mm | 77% | 1 m/s | 5.7 |
| 2009 | 31.2°C | 27.5°C | 23.7°C | 37.3°C | 20.9°C | 199 mm | 81% | 0.9 m/s | 5.4 |
| 2008 | 31.4°C | 27.6°C | 23.7°C | 39.6°C | 19.0°C | 193 mm | 78% | 1.2 m/s | 5.2 |
| 2007 | 33.7°C | 29.3°C | 25.0°C | 38.4°C | 22.4°C | 136 mm | 76% | 1 m/s | 5.5 |
| 2006 | 33.9°C | 29.4°C | 24.9°C | 38.1°C | 22.0°C | 130 mm | 72% | 1 m/s | 5.6 |
| 2005 | 32.4°C | 28.7°C | 25.0°C | 37.4°C | 23.3°C | 157 mm | 80% | 0.9 m/s | 5.3 |
| 2004 | 31.3°C | 27.4°C | 23.5°C | 35.3°C | 20.4°C | 144 mm | 77% | 1.1 m/s | 5.4 |
| 2003 | 30.7°C | 27.3°C | 23.9°C | 33.4°C | 22.2°C | 124 mm | 84% | 0.9 m/s | 5.2 |
| 2002 | 31.9°C | 27.7°C | 23.5°C | 38.0°C | 20.4°C | 211 mm | 75% | 1.1 m/s | 5.6 |
| 2001 | 32.5°C | 28.1°C | 23.6°C | 36.0°C | 21.0°C | 149 mm | 75% | 1 m/s | 6 |
| 2000 | 33.4°C | 28.3°C | 23.1°C | 38.4°C | 21.3°C | 93 mm | 67% | 1 m/s | 5.6 |
| 1999 | 33.7°C | 29.1°C | 24.6°C | 39.8°C | 18.4°C | 96 mm | 73% | 1.1 m/s | 6.1 |
| 1998 | 32.0°C | 27.8°C | 23.6°C | 37.2°C | 21.2°C | 126 mm | 75% | 1.1 m/s | 5.7 |
| 1997 | 30.8°C | 26.8°C | 22.8°C | 34.2°C | 19.3°C | 118 mm | 78% | 1.1 m/s | 5.6 |
| 1996 | 31.1°C | 27.2°C | 23.3°C | 34.1°C | 21.8°C | 182 mm | 76% | 1 m/s | 5.3 |
| 1995 🌧️ | 31.8°C | 28.0°C | 24.3°C | 38.7°C | 21.2°C | 383 mm | 79% | 1.3 m/s | 5.1 |
| 1994 | 30.9°C | 26.9°C | 22.9°C | 34.9°C | 19.6°C | 73 mm | 76% | 1.1 m/s | 5.6 |
| 1993 | 33.3°C | 28.7°C | 24.1°C | 37.2°C | 21.5°C | 136 mm | 71% | 1.1 m/s | 5.6 |
| 1992 | 30.1°C | 26.9°C | 23.6°C | 34.0°C | 21.7°C | 231 mm | 83% | 1 m/s | 5.1 |
| 1991 | 30.1°C | 26.9°C | 23.7°C | 35.0°C | 17.8°C | 219 mm | 84% | 1 m/s | 5.1 |
| 1990 | 32.7°C | 28.5°C | 24.3°C | 36.9°C | 22.6°C | 169 mm | 75% | 0.9 m/s | 5.6 |
| 1989 | 31.2°C | 27.3°C | 23.5°C | 37.4°C | 19.5°C | 243 mm | 80% | 1 m/s | 5 |
| 1988 | 31.9°C | 28.2°C | 24.4°C | 35.6°C | 22.1°C | 275 mm | 78% | 1 m/s | 5.2 |
| 1987 | 33.2°C | 28.9°C | 24.6°C | 36.3°C | 22.3°C | 204 mm | 77% | 1 m/s | 5.7 |
| 1986 | 30.7°C | 27.1°C | 23.5°C | 39.7°C | 16.4°C | 292 mm | 81% | 1.1 m/s | 4.9 |
| 1985 | 30.2°C | 26.8°C | 23.4°C | 33.9°C | 21.2°C | 247 mm | 81% | 1.1 m/s | 4.9 |
| 1984 | 31.3°C | 27.1°C | 23.0°C | 34.1°C | 20.9°C | 111 mm | 77% | 1 m/s | 5.4 |
| 1983 | 33.0°C | 28.5°C | 23.9°C | 39.5°C | 18.8°C | 117 mm | 75% | 1 m/s | — |
| 1982 | 30.6°C | 26.9°C | 23.2°C | 34.2°C | 20.9°C | 152 mm | 80% | 1 m/s | — |
| 1981 ❄️ | 30.3°C | 26.6°C | 22.9°C | 34.5°C | 19.6°C | 262 mm | 81% | 1.1 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 32°C with lows near 24°C (mean 28°C), based on 45 years of NASA POWER data.
August averages 175 mm of rainfall in Savannah, a relatively wet time of year. The wettest on record was 383 mm in 1995.
The hottest August reached 39.8°C in 1999. The coldest dipped to 16.4°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.2°C. Daytime highs moved from 31.1°C to 32.1°C and overnight lows from 23.3°C to 24.6°C over the same span.
August is one of the warmer months of the year in Savannah and a relatively wet time of year, so plan for around 32°C daytime highs and 24°C at night.
Not quite — August is the 11th coolest month in Savannah, averaging 28°C.
For August in Savannah, pack light, breathable clothing and sun protection, with typical highs of 32°C and lows of 24°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 78% — quite humid.
Average wind speed in August is 1 m/s. The windiest August on record averaged 1.3 m/s (1995).
The wettest August on record was 1995 with 383 mm. On average, August sees 175 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Savannah behaves each August, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for August specifically, along with year-by-year records and how the month has changed over the decades.
