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December Weather in Augusta, United States

Last updated: June 24, 2025

In December, the average temperature in Augusta, United States hovers around 4°C (39°F). With a minimum plunge to -14°C (7°F) and a maximum rise to 24°C (75°F), this month presents quite the temperature range. Expect 30 mm (1.2 in) of precipitation over the course of 3 days, accompanied by a high average humidity of 85%. Stay prepared for a variety of weather conditions!

December Temperature in Augusta

In December in Augusta, the average temperature is 4°C (39°F). Maximum temperatures can reach 24°C (75°F), while minimums can drop to as low as -14°C (7°F). This wide range of temperatures means that travelers should be prepared for both warm and cold weather conditions.

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

The chart illustrates December temperature patterns in Augusta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Augusta, December typically has an average temperature of 4°C (39°F), with highs reaching up to 24°C (75°F) and lows dropping to around -14°C (7°F).
JanFebMarAprMayJunJulAugSepOctNovDec343549556677807873584539
Data source: Temperature data for Augusta 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 Augusta

In Augusta in December, the precipitation amount is 30 mm (1.2 in) over the course of 3 days.

December Precipitation Trends in Augusta

The chart displays monthly precipitation patterns in Augusta, 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 Augusta, December typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec413186821801027298791222730
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Augusta

In Augusta in December, humidity is 85%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and requiring extra layers to ward off the cold and moisture.

December Average Humidity in Augusta

This chart illustrates the average monthly humidity levels in Augusta, 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 Augusta is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%71%74%83%83%81%73%67%72%82%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Augusta

In Augusta 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 Augusta, you can check the information here.

Maximum UV Index Levels in Augusta for December

The chart shows the monthly maximum UV Index (UVI) for Augusta 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 Augusta typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101111109753
Data source: Augusta 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 Augusta Compares to Other Months

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

This table compares monthly weather conditions in Augusta, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)40 mm (1.6 inches)77%moderate
February Weather1°C (35°F)31 mm (1.2 inches)76%high
March Weather9°C (49°F)86 mm (3.4 inches)71%high
April Weather13°C (56°F)82 mm (3.2 inches)73%very high
May Weather19°C (66°F)180 mm (7.1 inches)83%very high
June Weather25°C (78°F)102 mm (4.0 inches)83%extreme
July Weather27°C (80°F)72 mm (2.8 inches)81%extreme
August Weather25°C (78°F)98 mm (3.9 inches)73%very high
September Weather23°C (73°F)79 mm (3.1 inches)67%very high
October Weather14°C (58°F)122 mm (4.8 inches)72%high
November Weather7°C (46°F)27 mm (1.1 inches)82%moderate
December Weather4°C (39°F)30 mm (1.2 inches)85%moderate

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