Climate averages 1991–2020
Savannah weather
in December.
A mild, moderately wet month: the 11th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Savannah: daytime highs average 16.4°C and nights cool to about 8.1°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 86 mm of rain on roughly 9 days, which makes December a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 06 min on an average December day.
The nearest other city in this atlas is Charleston (134 km away). In December its highs average 15.9°C, 0.5°C cooler than Savannah, with 86 mm of rain.
Among the 498 cities listed in the United States, Savannah ranks joint 124th of 498 for the warmest December highs and joint 304th of 498 for the driest December (rainfall, lowest first). The mean December high of those 498 cities is 10.5°C; Savannah is 5.9°C warmer than that mean.
From December to January, average highs fall by 1.3°C to 15.1°C, and monthly rainfall rises from 86 mm to 88 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Charleston in DecemberUnited States · 134 kmHigh 15.9°C · Low 8.9°C · 86 mm rain
- North Charleston in DecemberUnited States · 136 kmHigh 15.8°C · Low 7.5°C · 86 mm rain
- Jacksonville in DecemberUnited States · 202 kmHigh 18.6°C · Low 10.6°C · 58 mm rain
- Columbia (South Carolina), United States in DecemberUnited States · 213 kmHigh 13.6°C · Low 4.2°C · 93 mm rain
- Warner Robins in DecemberUnited States · 245 kmHigh 14.6°C · Low 5.2°C · 96 mm rain
- Macon in DecemberUnited States · 252 kmHigh 14.5°C · Low 5.1°C · 98 mm rain
- Palm Coast in DecemberUnited States · 278 kmHigh 20.1°C · Low 13.7°C · 51 mm rain
- Albany (Georgia), United States in DecemberUnited States · 294 kmHigh 16.3°C · Low 6.4°C · 88 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.