Savannah, GA Weather
Savannah hourly forecast: next 24 hours
Today's high of 87°F (31°C) is about 3°F (2°C) above the typical September high of 84°F (29°C).
Current conditions in detail
Savannah weather tomorrow (Wednesday, September 16)
Tomorrow in Savannah looks overcast, with a high of 86° and an overnight low of 74°. Rain is unlikely (9% chance). Winds top out near 13 mph, and the UV index reaches 8 (very high).
Savannah 14-day forecast
About the weather in Savannah
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).
Savannah weather: quick facts
- 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%
Temperatures through the year
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.
Rain, sun and snow
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).
Season by season
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.
Average temperatures in Savannah by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 60° | 44° | 9 | 3.1 in | 7.6 h/day | 74% |
| February | 65° | 48° | 9 | 3.1 in | 7.8 h/day | 76% |
| March | 71° | 53° | 10 | 3.3 in | 9.1 h/day | 71% |
| April | 76° | 58° | 8 | 3.8 in | 10.7 h/day | 71% |
| May | 83° | 65° | 11 | 3.6 in | 11.2 h/day | 72% |
| June | 87° | 72° | 16 | 5.8 in | 11.2 h/day | 78% |
| July | 90° | 75° | 18 | 5.9 in | 11.5 h/day | 79% |
| August | 88° | 74° | 23 | 7.8 in | 10.8 h/day | 83% |
| September | 84° | 70° | 14 | 6.2 in | 9.8 h/day | 80% |
| October | 78° | 62° | 8 | 3.4 in | 9.3 h/day | 77% |
| November | 69° | 53° | 8 | 3.2 in | 7.9 h/day | 76% |
| December | 64° | 48° | 9 | 4.2 in | 7.0 h/day | 78% |