December Weather in Port Wentworth, United States

Last updated: June 24, 2025

In December, the average temperature in Port Wentworth, United States hovers around 12°C (54°F), but be prepared for fluctuations—minimums can dip to -5°C (23°F), while maximums may rise to 27°C (82°F). Expect to encounter 118 mm (4.6 in) of precipitation over about 9 days, and stay hydrated, as average humidity levels are a high 87%.

December Temperature in Port Wentworth

In December in Port Wentworth, the average temperature is 12°C (54°F). Maximums can reach 27°C (82°F) and minimums can be as low as -5°C (23°F). Be prepared for a wide range of temperatures when traveling during this time!

December Weather in Port Wentworth: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Port Wentworth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Wentworth, December typically has an average temperature of 12°C (54°F), with highs reaching up to 27°C (82°F) and lows dropping to around -5°C (23°F).

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

December Precipitation in Port Wentworth

In Port Wentworth in December, the precipitation amount is 118 mm (4.6 in) over the course of 9 days.

December Precipitation Trends in Port Wentworth

The chart displays monthly precipitation patterns in Port Wentworth, 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 Port Wentworth, December typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 9 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 Port Wentworth

In Port Wentworth in December humidity is 87%. With an average temperature of 12°C (54°F), this humidity feels like a damp embrace, making it quite uncomfortable for traveling, as the air feels heavy and can quickly sap your energy as you explore the sights.

December Average Humidity in Port Wentworth

This chart illustrates the average monthly humidity levels in Port Wentworth, 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 Port Wentworth is approximately 87%, 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 Port Wentworth

In Port Wentworth in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Port Wentworth for better planning.

Maximum UV Index Levels in Port Wentworth for December

The chart shows the monthly maximum UV Index (UVI) for Port Wentworth 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 Port Wentworth typically reaches 4, which falls under the moderate exposure category.

Data source: Port Wentworth 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 Port Wentworth Compares to Other Months

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

This table compares monthly weather conditions in Port Wentworth, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	60 mm (2.4 inches)	86%	moderate
February Weather	14°C (57°F)	83 mm (3.3 inches)	81%	high
March Weather	16°C (61°F)	68 mm (2.7 inches)	81%	very high
April Weather	19°C (67°F)	85 mm (3.3 inches)	79%	very high
May Weather	23°C (75°F)	109 mm (4.3 inches)	75%	extreme
June Weather	26°C (79°F)	152 mm (6.0 inches)	75%	extreme
July Weather	27°C (82°F)	170 mm (6.7 inches)	80%	extreme
August Weather	27°C (81°F)	178 mm (7.0 inches)	81%	extreme
September Weather	25°C (78°F)	114 mm (4.5 inches)	83%	very high
October Weather	22°C (71°F)	76 mm (3.0 inches)	78%	very high
November Weather	14°C (58°F)	83 mm (3.3 inches)	85%	high
December Weather	12°C (54°F)	118 mm (4.6 inches)	87%	moderate