January Weather in Raleigh, United States

Last updated: June 24, 2025

In January, the average temperature in Raleigh, United States hovers around 9°C (49°F). Expect a range of temperatures, with a minimum of -13°C (9°F) and a balmy maximum of 27°C (81°F). This month typically sees 110 mm (4.3 in) of precipitation spread over 8 days, along with a high average humidity of 82%. Prepare accordingly for a diverse climate experience!

January Temperature in Raleigh

In January in Raleigh, the average temperature is 9°C (49°F), with maximums reaching 27°C (81°F) and minimums dropping as low as -13°C (9°F). Travelers should prepare for a wide range of temperatures, ensuring they pack layers to stay comfortable.

January Weather in Raleigh: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Raleigh, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Raleigh, January typically has an average temperature of 9°C (49°F), with highs reaching up to 27°C (81°F) and lows dropping to around -13°C (9°F).

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

January Precipitation in Raleigh

In Raleigh in January, the precipitation amount is 110 mm (4.3 in) over a period of 8 days.

January Precipitation Trends in Raleigh

The chart displays monthly precipitation patterns in Raleigh, 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 Raleigh, January typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Raleigh

In Raleigh in January, humidity is 82%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities less enjoyable and prompting travelers to seek warmth indoors or in cozy cafes.

January Average Humidity in Raleigh

This chart illustrates the average monthly humidity levels in Raleigh, 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 Raleigh is approximately 82%, 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 Raleigh

In Raleigh in January, 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 Raleigh for better planning.

Maximum UV Index Levels in Raleigh for January

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

Data source: Raleigh 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 Raleigh Compares to Other Months

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

This table compares monthly weather conditions in Raleigh, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	110 mm (4.3 inches)	82%	moderate
February Weather	12°C (55°F)	142 mm (5.6 inches)	80%	high
March Weather	16°C (61°F)	128 mm (5.0 inches)	80%	very high
April Weather	18°C (65°F)	142 mm (5.6 inches)	78%	extreme
May Weather	23°C (74°F)	145 mm (5.7 inches)	73%	extreme
June Weather	26°C (79°F)	166 mm (6.5 inches)	71%	extreme
July Weather	27°C (81°F)	129 mm (5.1 inches)	79%	extreme
August Weather	27°C (81°F)	143 mm (5.6 inches)	78%	extreme
September Weather	26°C (78°F)	95 mm (3.7 inches)	80%	very high
October Weather	21°C (70°F)	94 mm (3.7 inches)	76%	very high
November Weather	13°C (56°F)	73 mm (2.9 inches)	83%	high
December Weather	11°C (52°F)	130 mm (5.1 inches)	87%	moderate