January Weather in Greenbrier, United States

Last updated: June 24, 2025

In January, the average temperature in Greenbrier, United States hovers around 5°C (41°F). Expect a chilly range where the minimum can dip to -16°C (4°F), while the highs can reach up to 22°C (72°F). Prepare for some rain, with an average precipitation of 91 mm (3.6 in) spread over 10 days, and keep in mind the average humidity is a comfortable 82%.

January Temperature in Greenbrier

In January in Greenbrier, the average temperature is 5°C (41°F). The maximum can reach 22°C (72°F), while the minimum can be as low as -16°C (4°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your trip.

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

The chart illustrates January temperature patterns in Greenbrier, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greenbrier, January typically has an average temperature of 5°C (41°F), with highs reaching up to 22°C (72°F) and lows dropping to around -16°C (4°F).

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

January Precipitation in Greenbrier

In Greenbrier in January, the precipitation amount totals 91 mm (3.6 in) over a span of 10 days.

January Precipitation Trends in Greenbrier

The chart displays monthly precipitation patterns in Greenbrier, 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 Greenbrier, January typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 10 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 Greenbrier

In Greenbrier in January, humidity is 82%. With an average temperature of 5°C (41°F), this humidity feels like a chilly, damp blanket wrapping around you, making outdoor activities less enjoyable and making it essential to dress in layers to stay warm while navigating the wet conditions.

January Average Humidity in Greenbrier

This chart illustrates the average monthly humidity levels in Greenbrier, 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 Greenbrier 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 Greenbrier

In Greenbrier 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 Greenbrier for better planning.

Maximum UV Index Levels in Greenbrier for January

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

Data source: Greenbrier 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 Greenbrier Compares to Other Months

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

This table compares monthly weather conditions in Greenbrier, 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)	91 mm (3.6 inches)	82%	moderate
February Weather	7°C (44°F)	152 mm (6.0 inches)	79%	high
March Weather	12°C (54°F)	151 mm (5.9 inches)	77%	very high
April Weather	15°C (60°F)	157 mm (6.2 inches)	78%	very high
May Weather	21°C (70°F)	186 mm (7.3 inches)	82%	extreme
June Weather	25°C (78°F)	122 mm (4.8 inches)	81%	extreme
July Weather	27°C (82°F)	86 mm (3.4 inches)	75%	extreme
August Weather	26°C (80°F)	120 mm (4.7 inches)	61%	very high
September Weather	24°C (76°F)	76 mm (3.0 inches)	59%	very high
October Weather	17°C (63°F)	97 mm (3.8 inches)	69%	high
November Weather	10°C (50°F)	86 mm (3.4 inches)	82%	moderate
December Weather	8°C (46°F)	109 mm (4.3 inches)	87%	moderate