January Weather in Roanoke, United States

Last updated: June 24, 2025

In January, the average temperature in Roanoke, United States hovers around -2°C (29°F). While temperatures can dip as low as -26°C (-15°F), they can also reach a pleasant 18°C (64°F). Expect 74 mm (2.9 in) of precipitation spread over about 8 days, contributing to an average humidity level of 85%.

January Temperature in Roanoke

In January in Roanoke, the average temperature is -2°C (29°F). The maximum can reach 18°C (64°F) and the minimum can be as low as -26°C (-15°F). This variation in temperature makes it essential to pack layers for your travels, ensuring you're prepared for both chilly and mild conditions.

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

The chart illustrates January temperature patterns in Roanoke, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roanoke, January typically has an average temperature of -2°C (29°F), with highs reaching up to 18°C (64°F) and lows dropping to around -26°C (-15°F).

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

January Precipitation in Roanoke

In Roanoke in January, the precipitation amount is 74 mm (2.9 in) over a period of 8 days.

January Precipitation Trends in Roanoke

The chart displays monthly precipitation patterns in Roanoke, 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 Roanoke, January typically receives around 74 mm (2.9 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 Roanoke

In Roanoke in January, humidity is 85%. With an average temperature of -2°C (29°F), this humidity feels like a chilling, damp blanket that clings to your skin, making travel uncomfortable and often prompting an urgent search for warmth and shelter.

January Average Humidity in Roanoke

This chart illustrates the average monthly humidity levels in Roanoke, 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 Roanoke is approximately 85%, 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 Roanoke

In Roanoke 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 Roanoke, you can check the information here.

Maximum UV Index Levels in Roanoke for January

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

Data source: Roanoke 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 Roanoke Compares to Other Months

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

This table compares monthly weather conditions in Roanoke, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	74 mm (2.9 inches)	85%	moderate
February Weather	-1°C (31°F)	80 mm (3.2 inches)	85%	moderate
March Weather	5°C (41°F)	103 mm (4.0 inches)	86%	high
April Weather	10°C (50°F)	94 mm (3.7 inches)	87%	very high
May Weather	17°C (63°F)	127 mm (5.0 inches)	81%	very high
June Weather	22°C (73°F)	115 mm (4.5 inches)	82%	very high
July Weather	24°C (76°F)	105 mm (4.1 inches)	81%	very high
August Weather	23°C (74°F)	95 mm (3.8 inches)	79%	very high
September Weather	20°C (68°F)	63 mm (2.5 inches)	78%	very high
October Weather	13°C (56°F)	103 mm (4.0 inches)	81%	high
November Weather	5°C (41°F)	82 mm (3.2 inches)	89%	moderate
December Weather	1°C (35°F)	61 mm (2.4 inches)	86%	low