December is one of the cooler months of the year in Savannah, with average highs near 16.6°C and lows around 7.1°C (mean 11.9°C). It is one of the drier months, averaging 77 mm of rainfall and 81% relative humidity across the period.
December is one of the cooler months of the year in Savannah. Across 45 years of records, the warmest December in Savannah was 2015 — when the month averaged 17.4°C — while the coldest was 1989 at 6.1°C. Typical December days reach 16.6°C with nights near 7.1°C. The long-term trend is warming, about 0.5°C per decade.
December is one of the drier months in Savannah, averaging 77 mm of rainfall. The wettest December on record was 2009 with 200 mm, while the driest was 1984 at 8 mm.
Relative humidity in Savannah during December averages 81%. The most humid December was 1994 at 89%, and the least humid was 2010 at 67%.
December receives about 2.6 kWh/m²/day of solar energy in Savannah. The sunniest December was 2004 at 3 kWh/m²/day, and the cloudiest was 1992 at 2.2.
Average wind speed in Savannah during December is 1.1 m/s. The windiest Decembers were 1993, 1994 and 2010, among others at 1.3 m/s, while the calmest was 2015 at 0.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.9°C | 11.7°C | 11.6°C | 12.9°C | 12.6°C | +1.7°C |
| Avg High | 15.6°C | 16.1°C | 16.5°C | 17.7°C | 17.6°C | +2°C |
| Avg Low | 6.2°C | 7.2°C | 6.6°C | 8.1°C | 7.6°C | +1.4°C |
| Avg Rain | 85 mm | 69 mm | 81 mm | 88 mm | 56 mm | -30 mm |
December temperatures in Savannah have risen by about 1.4°C between 1981–1985 and 2021–2025.
December has ranged from a record low of -8.5°C (1983) to a record high of 27.2°C (1998).
Rainfall in December is one of the drier months, averaging 77 mm, with a wettest year of 200 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, December — with days averaging 16.6°C and nights around 7.1°C (mean 11.9°C) and moderate rainfall (77 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 17.1°C | 12.0°C | 6.8°C | 25.3°C | -3.4°C | 52 mm | 77% | 1 m/s | — |
| 2024 | 16.9°C | 11.8°C | 6.8°C | 24.2°C | -1.2°C | 46 mm | 79% | 1.1 m/s | 2.8 |
| 2023 | 16.9°C | 12.5°C | 8.1°C | 24.4°C | 0.7°C | 126 mm | 82% | 1.1 m/s | 2.7 |
| 2022 | 17.1°C | 12.1°C | 7.2°C | 27.0°C | -6.8°C | 40 mm | 78% | 1.1 m/s | 2.5 |
| 2021 | 21.1°C | 16.1°C | 11.1°C | 26.2°C | 4.4°C | 38 mm | 85% | 1 m/s | 2.5 |
| 2020 | 16.6°C | 11.2°C | 5.7°C | 23.7°C | -3.5°C | 32 mm | 77% | 1.1 m/s | 2.9 |
| 2019 | 17.4°C | 13.1°C | 8.8°C | 24.0°C | 0.7°C | 138 mm | 86% | 1.2 m/s | 2.5 |
| 2018 | 16.6°C | 12.4°C | 8.3°C | 24.3°C | 0.2°C | 198 mm | 88% | 1 m/s | 2.3 |
| 2017 | 16.4°C | 11.6°C | 6.9°C | 24.8°C | -0.6°C | 65 mm | 80% | 1.1 m/s | 2.4 |
| 2016 | 18.5°C | 13.7°C | 8.9°C | 25.1°C | 1.1°C | 134 mm | 82% | 1 m/s | 2.4 |
| 2015 🔥 | 21.4°C | 17.4°C | 13.4°C | 26.1°C | 2.5°C | 60 mm | 88% | 0.9 m/s | 2.4 |
| 2014 | 17.5°C | 12.6°C | 7.8°C | 22.9°C | 1.0°C | 76 mm | 86% | 1 m/s | 2.5 |
| 2013 | 18.8°C | 13.8°C | 8.7°C | 25.6°C | 2.6°C | 64 mm | 81% | 1.1 m/s | 2.5 |
| 2012 | 18.8°C | 13.5°C | 8.3°C | 24.8°C | -0.2°C | 65 mm | 79% | 1.1 m/s | 2.4 |
| 2011 | 19.2°C | 14.0°C | 8.9°C | 25.3°C | 3.0°C | 34 mm | 78% | 1.1 m/s | 2.8 |
| 2010 | 12.4°C | 6.6°C | 0.9°C | 20.3°C | -5.5°C | 43 mm | 67% | 1.3 m/s | 2.9 |
| 2009 🌧️ | 15.3°C | 10.9°C | 6.6°C | 23.9°C | -0.9°C | 200 mm | 87% | 1.2 m/s | 2.4 |
| 2008 | 18.1°C | 13.4°C | 8.7°C | 25.0°C | 0.0°C | 13 mm | 83% | 1 m/s | 2.7 |
| 2007 | 19.5°C | 14.2°C | 9.0°C | 26.3°C | 0.1°C | 110 mm | 80% | 1 m/s | 2.7 |
| 2006 | 18.8°C | 14.2°C | 9.6°C | 26.1°C | -1.9°C | 83 mm | 81% | 1 m/s | 2.6 |
| 2005 | 14.7°C | 9.8°C | 4.9°C | 21.6°C | -2.1°C | 86 mm | 80% | 1.2 m/s | 2.8 |
| 2004 | 15.6°C | 10.7°C | 5.7°C | 25.4°C | -2.9°C | 52 mm | 76% | 1.2 m/s | 3 |
| 2003 | 15.4°C | 9.7°C | 4.1°C | 19.9°C | -2.2°C | 45 mm | 74% | 1.2 m/s | 2.9 |
| 2002 | 14.5°C | 9.8°C | 5.0°C | 20.7°C | -1.0°C | 111 mm | 86% | 1.2 m/s | 2.6 |
| 2001 | 20.5°C | 15.5°C | 10.6°C | 26.9°C | -1.1°C | 36 mm | 72% | 1.1 m/s | 2.9 |
| 2000 | 12.5°C | 7.4°C | 2.2°C | 23.8°C | -5.2°C | 71 mm | 77% | 1.2 m/s | 2.5 |
| 1999 | 15.8°C | 11.0°C | 6.2°C | 22.3°C | -2.1°C | 57 mm | 80% | 1.1 m/s | 2.7 |
| 1998 | 19.4°C | 14.7°C | 9.9°C | 27.2°C | 0.3°C | 65 mm | 79% | 1.1 m/s | 2.6 |
| 1997 | 14.5°C | 10.3°C | 6.0°C | 23.2°C | -2.4°C | 142 mm | 87% | 1.2 m/s | 2.4 |
| 1996 | 16.3°C | 11.5°C | 6.7°C | 23.7°C | -4.0°C | 64 mm | 83% | 1.1 m/s | 2.8 |
| 1995 | 14.6°C | 9.7°C | 4.8°C | 22.7°C | -3.8°C | 34 mm | 82% | 1.1 m/s | 2.7 |
| 1994 | 16.4°C | 12.5°C | 8.5°C | 23.0°C | 2.8°C | 134 mm | 89% | 1.3 m/s | 2.5 |
| 1993 | 13.4°C | 9.0°C | 4.7°C | 22.5°C | -2.3°C | 65 mm | 85% | 1.3 m/s | 2.7 |
| 1992 | 15.2°C | 11.1°C | 6.9°C | 22.3°C | 1.0°C | 42 mm | 87% | 1.2 m/s | 2.2 |
| 1991 | 17.5°C | 12.9°C | 8.2°C | 26.1°C | -0.2°C | 45 mm | 78% | 1.2 m/s | 2.7 |
| 1990 | 18.3°C | 14.0°C | 9.6°C | 23.8°C | 0.6°C | 47 mm | 83% | 1.1 m/s | 2.3 |
| 1989 ❄️ | 10.6°C | 6.1°C | 1.5°C | 20.3°C | -7.4°C | 128 mm | 84% | 1.3 m/s | 2.8 |
| 1988 | 14.9°C | 9.9°C | 5.0°C | 22.7°C | -3.8°C | 30 mm | 79% | 1.1 m/s | 2.8 |
| 1987 | 17.4°C | 12.7°C | 8.0°C | 24.7°C | -0.8°C | 35 mm | 79% | 1.2 m/s | 2.5 |
| 1986 | 15.4°C | 11.4°C | 7.5°C | 22.6°C | 2.7°C | 148 mm | 88% | 1.2 m/s | 2.3 |
| 1985 | 13.6°C | 8.7°C | 3.7°C | 22.7°C | -6.5°C | 53 mm | 80% | 1.2 m/s | 2.8 |
| 1984 | 20.5°C | 15.1°C | 9.8°C | 25.5°C | -3.7°C | 8 mm | 80% | 1 m/s | 2.7 |
| 1983 | 14.3°C | 9.6°C | 4.9°C | 24.3°C | -8.5°C | 146 mm | 81% | 1.3 m/s | — |
| 1982 | 18.7°C | 14.5°C | 10.4°C | 26.4°C | 0.1°C | 102 mm | 82% | 1.2 m/s | — |
| 1981 | 14.6°C | 9.7°C | 4.8°C | 22.8°C | -4.8°C | 117 mm | 74% | 1.2 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 16.6°C with lows near 7.1°C (mean 11.9°C), based on 45 years of NASA POWER data.
December averages 77 mm of rainfall in Savannah, one of the drier months. The wettest on record was 200 mm in 2009.
The hottest December reached 27.2°C in 1998. The coldest dipped to -8.5°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 1.4°C. Daytime highs moved from 16.3°C to 17.8°C and overnight lows from 6.7°C to 8°C over the same span.
December is one of the cooler months of the year in Savannah and one of the drier months, so plan for around 16.6°C daytime highs and 7.1°C at night.
Not quite — December is the 2nd coolest month in Savannah, averaging 11.9°C.
For December in Savannah, pack warm layers and a jacket for chilly mornings, with typical highs of 16.6°C and lows of 7.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in December averages 81% — quite humid.
Average wind speed in December is 1.1 m/s. The windiest December on record averaged 1.3 m/s (1983).
The wettest December on record was 2009 with 200 mm. On average, December sees 77 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 December, 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 December specifically, along with year-by-year records and how the month has changed over the decades.
