Savannah, GA Climate & Monthly Averages
Savannah has a humid subtropical climate. July is the hottest month, averaging 90° by day; January is the coldest at 60°.
Sunshine is a defining feature of Savannah's climate
Weather in Savannah follows a humid subtropical pattern. The warmest and coolest months, July and January, average 90°F (32°C) and 60°F (16°C) by day; nights in those months run 75°F (24°C) and 44°F (6°C).
How sun, temperature and rain fit together
January is the coolest month, with highs of 60°F (16°C) and lows near 44°F (6°C). July is the warm end of the year, averaging 90°F (32°C) by day and 75°F (24°C) overnight. Sunshine averages 9.5 hours a day over the year, peaking in July at 11.5 hours.
Five of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is February through April. Average highs hold at or above 30°C for 3 months of the year, June through August being the unbroken run. August is the wettest month at 7.8 inches (197 mm) over 23 days; January is the driest.
Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 100°F (38°C) and the lowest daily minimum 18°F (-8°C).
More climate facts for Savannah
- Hottest month: July - highs near 90°F (32°C)
- Coldest month: January - highs near 60°F (16°C)
- Decade extremes (2015-2024): 100°F (38°C) high · 18°F (-8°C) low
- Wettest month: August (23 rainy days) · Sunniest: July (11.5 h sun/day)
- Climate type: humid subtropical
- Annual swing: 17°C between the average warmest and coolest month · day to night: 9°C
- Months averaging 30°C or hotter: 3
- Average humidity: 76%
The most comfortable sunny-weather window
Best time to visit Savannah
The best time to visit Savannah is generally January to May and October, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window sit near 72°F (22°C), with rain on about 9 days a month. For the same question asked the other way round, see where else is warm in January.
What to pack
Pack for Savannah with lightweight, breathable clothing and serious sun protection, proper waterproofs rather than an umbrella - wet days are the norm here and moisture-wicking fabrics for the humidity. Note the gap between afternoon and night: July pairs 90°F (32°C) with 75°F (24°C).
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 60° | 44° | 9 | 3.1 in | 7.6 h/day | 10.3 h | 28% | 74% |
| February | 65° | 48° | 9 | 3.1 in | 7.8 h/day | 11.0 h | 33% | 76% |
| March | 71° | 53° | 10 | 3.3 in | 9.1 h/day | 11.9 h | 31% | 71% |
| April | 76° | 58° | 8 | 3.8 in | 10.7 h/day | 12.9 h | 28% | 71% |
| May | 83° | 65° | 11 | 3.6 in | 11.2 h/day | 13.8 h | 36% | 72% |
| June | 87° | 72° | 16 | 5.8 in | 11.2 h/day | 14.2 h | 53% | 78% |
| July | 90° | 75° | 18 | 5.9 in | 11.5 h/day | 14.1 h | 59% | 79% |
| August | 88° | 74° | 23 | 7.8 in | 10.8 h/day | 13.3 h | 73% | 83% |
| September | 84° | 70° | 14 | 6.2 in | 9.8 h/day | 12.3 h | 48% | 80% |
| October | 78° | 62° | 8 | 3.4 in | 9.3 h/day | 11.3 h | 25% | 77% |
| November | 69° | 53° | 8 | 3.2 in | 7.9 h/day | 10.5 h | 28% | 76% |
| December | 64° | 48° | 9 | 4.2 in | 7.0 h/day | 10.1 h | 28% | 78% |
Savannah month by month
Each card shows the average high and low. The bar places that month between Savannah's coldest night and warmest afternoon.
January
- Rain
- 9 days
- Sunshine
- 7.6 h
- Daylight
- 10.3 h
February
- Rain
- 9 days
- Sunshine
- 7.8 h
- Daylight
- 11.0 h
March
- Rain
- 10 days
- Sunshine
- 9.1 h
- Daylight
- 11.9 h
April
- Rain
- 8 days
- Sunshine
- 10.7 h
- Daylight
- 12.9 h
May
- Rain
- 11 days
- Sunshine
- 11.2 h
- Daylight
- 13.8 h
June
- Rain
- 16 days
- Sunshine
- 11.2 h
- Daylight
- 14.2 h
July
- Rain
- 18 days
- Sunshine
- 11.5 h
- Daylight
- 14.1 h
August
- Rain
- 23 days
- Sunshine
- 10.8 h
- Daylight
- 13.3 h
September
- Rain
- 14 days
- Sunshine
- 9.8 h
- Daylight
- 12.3 h
October
- Rain
- 8 days
- Sunshine
- 9.3 h
- Daylight
- 11.3 h
November
- Rain
- 8 days
- Sunshine
- 7.9 h
- Daylight
- 10.5 h
December
- Rain
- 9 days
- Sunshine
- 7.0 h
- Daylight
- 10.1 h
Looking for warmer alternatives? Browse warm places by month, or compare Savannah's coolest part of the year: January, December, February.
Seasonal weather under Savannah's sunnier skies
Spring (March through May)
Spring in Savannah settles into easy warmth, with daytime highs averaging 77°F (25°C) and nights around 59°F (15°C); expect showers on roughly 29 days across the season. Daylight is generous - around 10.3 hours of sun a day.
Summer (June through August)
Summer in Savannah is hot, with daytime highs averaging 88°F (31°C) and nights around 74°F (23°C); rain falls on around 57 of the 90 days. Daylight is generous - around 11.2 hours of sun a day. With the moisture factored in, afternoons feel hotter than the reading suggests - the humidity and dew point converter shows why.
Fall (September through November)
Fall in Savannah is mild and warm, with daytime highs averaging 77°F (25°C) and nights around 62°F (16°C); rain falls on around 31 of the 90 days.
Winter (December through February)
Winter in Savannah is crisp but comfortable, with daytime highs averaging 63°F (17°C) and nights around 46°F (8°C); expect showers on roughly 26 days across the season.
How unusual is Savannah?
- Savannah sits close to the middle of our dataset on most measures: 68°F (20°C) as an annual average, 53.4 inches (1356 mm) of precipitation and 9.5 hours of sun a day.
These comparisons use the same ten-year window for every city in the dataset.
Savannah temperature extremes in the 2015–2024 dataset
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need another precipitation unit? Use the rainfall converter.