Savannah, GA weather in August
Savannah is hot and oppressively humid in August, with frequent rain: highs average 91°F and nights drop to about 73°F. Rain falls on about 13 days. This is the peak of the warm season in Savannah. Midday heat is the main thing to plan around.
- Normal high
- 91°F
- Normal low
- 73°F
- Wet days
- 13
- 5.5 in total
- Muggy days
- 30
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 92°F | 89°F |
| Normal low | 74°F | 72°F |
| Chance of a wet day | 42% | 38% |
| Sunrise / sunset | 6:39 am / 8:21 pm | 6:59 am / 7:50 pm |
| Daylight | 13.7 h | 12.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical August day
- 6 am75°Fdew point 72°F
- 9 am82°Fdew point 74°F
- Noon88°Fdew point 73°F
- 3 pm88°Fdew point 73°F
- 6 pm84°Fdew point 73°F
- 9 pm79°Fdew point 74°F
NOAA hourly normals (local standard time) from Savannah Hunter Fld (5 mi away); average wind 6 mph; clear or few clouds in 38% of daytime hours, mostly cloudy or overcast in 43%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Hot dayshigh 90°F or more21 of 31
- Muggy daysdaily mean dew point 65°F or more30 of 31
- Wet daysat least 0.01 in of rain or melted snow13 of 31
- Notable rainat least 0.10 in8 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per August, counted from daily records for each year 1991-2020.
Rain in August
Normal precipitation is 5.5 in; a dry August brings about 3.6 in and a wet one about 6.9 in (25th and 75th percentiles). About 4 days bring half an inch or more, and about 2 an inch or more.
How August varies from year to year
- Warmest August, 1991-20202011: average high 95°F
- Coolest August1996: average high 88°F
- Wettest August1995: 17.0 in
- Driest August1994: 2.6 in
- Highest reading102°F (August 6, 2008)
- Lowest reading61°F (August 8, 2004)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
August compared with July and September
| July | August | September | |
|---|---|---|---|
| Normal high | 92°F | 91°F | 86°F |
| Normal low | 74°F | 73°F | 69°F |
| Wet days | 12 | 13 | 10 |
| Comfortable days | 0 | 0 | 2 |
| Daylight | 14.0 h | 13.3 h | 12.4 h |
Highs change by -1°F from July and -5°F into September.
Nearby alternatives in August
- Drier: Athens, GA184 mi · high 90°F · 10 wet days
How Savannah ranks in August
- Normal high116th warmest of 378 cities; 4th of 8 in Georgia
- Wet days329th driest of 378
- Comfortable days296th most of 341
What to pack for Savannah in August
- Light, breathable clothing – highs near 91°F and about 30 muggy days
- A rain jacket or umbrella – rain on about 13 days
Heating and cooling
August has 0 heating degree days and 529 cooling degree days (base 65°F), 12% of the year's total heating and cooling demand.
Questions
How hot is Savannah in August?
The normal high is 91°F and the normal low is 73°F. From 1991 to 2020 the hottest August reading was 102°F (most recently on August 6, 2008).
Does it rain a lot in Savannah in August?
About 13 days in August have at least 0.01 in of precipitation, and the normal total is 5.5 in. The wettest August in 1991-2020 was in 1995 (17.0 in); the driest was in 1994 (2.6 in).
Is August a good time to visit Savannah?
August ranks 11th of 12 months on our comfort score for Savannah (36 out of 100). It has almost no comfortable days and about 21 days at 90°F or hotter. The best months are March and April.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Savannah Intl Airport (USW00003822), 7.2 mi WNW of the city center, 46 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Savannah Hunter Fld (USW00013824), 5.0 mi SSW of the city center, 56 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Savannah/Hilton Head Intl Airport (722070-03822), 6.8 mi WNW of the city center, 29 ft . Hourly observations, 1991-2020.