January Weather in Chapel Hill, United States

Last updated: June 24, 2025

In January, the average temperature in Chapel Hill, United States hovers around 5°C (41°F). Expect temperatures to dip as low as -14°C (6°F) and reach a pleasant 23°C (74°F). The region experiences approximately 108 mm (4.3 in) of precipitation over 10 days, contributing to an average humidity of 87%. It's a month where layers are your best friend!

January Temperature in Chapel Hill

In January in Chapel Hill, the average temperature is 5°C (41°F), with maximums reaching up to 23°C (74°F) and minimums dropping as low as -14°C (6°F). This climate makes it essential for travelers to pack layers to stay comfortable throughout the day.

January Weather in Chapel Hill: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Chapel Hill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chapel Hill, January typically has an average temperature of 5°C (41°F), with highs reaching up to 23°C (74°F) and lows dropping to around -14°C (6°F).

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

January Precipitation in Chapel Hill

In Chapel Hill in January, the total precipitation amount is 108 mm (4.3 in) spread over a duration of 10 days.

January Precipitation Trends in Chapel Hill

The chart displays monthly precipitation patterns in Chapel Hill, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Chapel Hill, January typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 10 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Chapel Hill

In Chapel Hill in January humidity is 87%. With an average temperature of 5°C (41°F), this humidity feels like a heavy, damp blanket enveloping you, making every step seem laborious and the chill more biting, which can be quite challenging for traveling.

January Average Humidity in Chapel Hill

This chart illustrates the average monthly humidity levels in Chapel Hill, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Chapel Hill is approximately 87%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Chapel Hill

In Chapel Hill in January, 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 Chapel Hill, you can check the information here.

Maximum UV Index Levels in Chapel Hill for January

The chart shows the monthly maximum UV Index (UVI) for Chapel Hill in January, 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 January, the maximum UV index in Chapel Hill typically reaches 3, which falls under the moderate exposure category.

Data source: Chapel Hill January 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 January Weather in Chapel Hill Compares to Other Months

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

This table compares monthly weather conditions in Chapel Hill, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	108 mm (4.3 inches)	87%	moderate
February Weather	8°C (46°F)	183 mm (7.2 inches)	87%	high
March Weather	12°C (53°F)	176 mm (6.9 inches)	85%	high
April Weather	15°C (60°F)	152 mm (6.0 inches)	82%	very high
May Weather	21°C (70°F)	115 mm (4.5 inches)	83%	very high
June Weather	25°C (77°F)	137 mm (5.4 inches)	82%	extreme
July Weather	26°C (80°F)	133 mm (5.2 inches)	78%	extreme
August Weather	25°C (78°F)	121 mm (4.8 inches)	67%	very high
September Weather	23°C (74°F)	121 mm (4.8 inches)	64%	very high
October Weather	17°C (64°F)	126 mm (5.0 inches)	74%	high
November Weather	9°C (49°F)	79 mm (3.1 inches)	87%	moderate
December Weather	8°C (46°F)	151 mm (6.0 inches)	88%	moderate