December Weather in Carrboro, United States

Last updated: June 24, 2025

In December, the average temperature in Carrboro, United States is a brisk 8°C (46°F), with temperatures ranging from a chilly -7°C (19°F) to a pleasant 23°C (73°F). Expect about 107 mm (4.2 in) of precipitation spread across 9 days, contributing to an average humidity of 86%.

December Temperature in Carrboro

In December in Carrboro, the average temperature is 8°C (46°F), with maximums reaching 23°C (73°F) and minimums dipping as low as -7°C (19°F). Travelers should be prepared for a wide range of temperatures, so packing layers is essential for a comfortable visit.

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

The chart illustrates December temperature patterns in Carrboro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Carrboro, December typically has an average temperature of 8°C (46°F), with highs reaching up to 23°C (73°F) and lows dropping to around -7°C (19°F).

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

December Precipitation in Carrboro

In Carrboro in December, the precipitation amount is 107 mm (4.2 in), occurring over a span of 9 days.

December Precipitation Trends in Carrboro

The chart displays monthly precipitation patterns in Carrboro, 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 Carrboro, December typically receives around 107 mm (4.2 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 Carrboro

In Carrboro in December humidity is 86%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill enveloping you, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while exploring.

December Average Humidity in Carrboro

This chart illustrates the average monthly humidity levels in Carrboro, 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 Carrboro is approximately 86%, 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 Carrboro

In Carrboro 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 Carrboro, you can check the information here.

Maximum UV Index Levels in Carrboro for December

The chart shows the monthly maximum UV Index (UVI) for Carrboro 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 Carrboro typically reaches 3, which falls under the moderate exposure category.

Data source: Carrboro 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 Carrboro Compares to Other Months

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

This table compares monthly weather conditions in Carrboro, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	89 mm (3.5 inches)	85%	moderate
February Weather	9°C (48°F)	117 mm (4.6 inches)	82%	high
March Weather	11°C (53°F)	84 mm (3.3 inches)	81%	very high
April Weather	16°C (62°F)	116 mm (4.6 inches)	80%	very high
May Weather	21°C (70°F)	118 mm (4.6 inches)	81%	extreme
June Weather	24°C (76°F)	121 mm (4.8 inches)	81%	extreme
July Weather	27°C (80°F)	114 mm (4.5 inches)	81%	extreme
August Weather	26°C (78°F)	128 mm (5.1 inches)	80%	very high
September Weather	23°C (74°F)	128 mm (5.1 inches)	79%	very high
October Weather	18°C (65°F)	97 mm (3.8 inches)	80%	very high
November Weather	10°C (51°F)	81 mm (3.2 inches)	85%	moderate
December Weather	8°C (46°F)	107 mm (4.2 inches)	86%	moderate