December Weather in Augusta, United States

Last updated: June 24, 2025

In Augusta, United States, the average temperature in December hovers around 8°C (47°F). However, temperatures can vary significantly, with a minimum of -10°C (14°F) and a maximum soaring to 26°C (79°F). Expect 139 mm (5.5 in) of precipitation spread over about 10 days, contributing to a high average humidity level of 88%.

December Temperature in Augusta

In December in Augusta, the average temperature is 8°C (47°F), with maximums reaching up to 26°C (79°F) and minimums dropping as low as -10°C (14°F). Travelers should be prepared for a wide range of temperatures, making layered clothing a wise choice for this time of year.

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 8°C (47°F), with highs reaching up to 26°C (79°F) and lows dropping to around -10°C (14°F).

Data source: Temperature data for Augusta generated using information from the Copernicus Climate Change Service.

December Precipitation in Augusta

In Augusta, in December, the total precipitation amount is 139 mm (5.5 in) accumulated over 10 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 139 mm (5.5 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Augusta

In Augusta 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 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 88%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	96 mm (3.8 inches)	84%	moderate
February Weather	7°C (45°F)	161 mm (6.3 inches)	83%	high
March Weather	13°C (55°F)	154 mm (6.0 inches)	81%	very high
April Weather	16°C (61°F)	147 mm (5.8 inches)	81%	very high
May Weather	22°C (72°F)	163 mm (6.4 inches)	83%	extreme
June Weather	26°C (79°F)	96 mm (3.8 inches)	83%	extreme
July Weather	28°C (82°F)	105 mm (4.1 inches)	81%	extreme
August Weather	27°C (80°F)	105 mm (4.2 inches)	74%	very high
September Weather	24°C (76°F)	83 mm (3.3 inches)	71%	very high
October Weather	18°C (64°F)	124 mm (4.9 inches)	76%	high
November Weather	10°C (51°F)	74 mm (2.9 inches)	84%	moderate
December Weather	8°C (47°F)	139 mm (5.5 inches)	88%	moderate