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December Weather in Savannah, United States

Last updated: June 24, 2025

In Savannah, United States, the average temperature in December hovers around 8°C (47°F). Temperatures can range from a chilly -9°C (15°F) at their lowest to a pleasant 24°C (75°F) at their peak. During this month, precipitation levels reach 141 mm (5.6 in) over approximately 11 days, with an average humidity of 88%.

December Temperature in Savannah

In December in Savannah, the average temperature is 8°C (47°F). Maximum temperatures can reach 24°C (75°F), while minimums can drop as low as -9°C (15°F). Be prepared for a mix of warm and chilly weather when traveling to Savannah during this time.

December Weather in Savannah: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Savannah, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Savannah, December typically has an average temperature of 8°C (47°F), with highs reaching up to 24°C (75°F) and lows dropping to around -9°C (15°F).
JanFebMarAprMayJunJulAugSepOctNovDec424755617178817975645047
Data source: Temperature data for Savannah generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Savannah

In Savannah in December, the total precipitation amount is 141 mm (5.6 in) spread over 11 days.

December Precipitation Trends in Savannah

The chart displays monthly precipitation patterns in Savannah, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Savannah, December typically receives around 141 mm (5.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec11718115817111111612911010712177141
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Savannah

In Savannah in December, humidity is 88%. With an average temperature of 8°C (47°F), this humidity feels like a thick, damp blanket wrapping around you, making even short walks feel heavy and uninviting for travel.

December Average Humidity in Savannah

This chart illustrates the average monthly humidity levels in Savannah, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Savannah is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%85%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Savannah

In Savannah in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Savannah, you can check the information here.

Maximum UV Index Levels in Savannah for December

The chart shows the monthly maximum UV Index (UVI) for Savannah in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Savannah typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109753
Data source: Savannah December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Savannah Compares to Other Months

Weather in Savannah varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Savannah, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Savannah, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)117 mm (4.6 inches)86%moderate
February Weather8°C (47°F)181 mm (7.1 inches)85%high
March Weather13°C (55°F)158 mm (6.2 inches)84%very high
April Weather16°C (61°F)171 mm (6.7 inches)81%very high
May Weather22°C (71°F)111 mm (4.4 inches)83%extreme
June Weather25°C (78°F)116 mm (4.5 inches)83%extreme
July Weather27°C (81°F)129 mm (5.1 inches)80%extreme
August Weather26°C (80°F)110 mm (4.3 inches)73%very high
September Weather24°C (75°F)107 mm (4.2 inches)70%very high
October Weather18°C (65°F)121 mm (4.8 inches)73%high
November Weather10°C (50°F)77 mm (3.0 inches)85%moderate
December Weather8°C (47°F)141 mm (5.6 inches)88%moderate

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