January Weather in Green River, United States

Last updated: June 24, 2025

In January, the average temperature in Green River, United States hovers around -7°C (19°F). Expect chilly conditions, with minimum temperatures plummeting to -27°C (-16°F) and a maximum of 8°C (47°F). Precipitation amounts to 24 mm (0.9 in) over 5 days, while the average humidity remains high at 92%. Be prepared for a brisk and damp winter experience!

January Temperature in Green River

In January in Green River, the average temperature is -7°C (19°F). Maximum temperatures can reach 8°C (47°F), while minimums can drop as low as -27°C (-16°F). Travelers should be prepared for a wide range of temperatures and dress in layers to stay comfortable.

January Weather in Green River: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Green River, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Green River, January typically has an average temperature of -7°C (19°F), with highs reaching up to 8°C (47°F) and lows dropping to around -27°C (-16°F).

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

January Precipitation in Green River

In Green River in January, the precipitation amount is 24 mm (0.9 in) over the course of 5 days.

January Precipitation Trends in Green River

The chart displays monthly precipitation patterns in Green River, 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 Green River, January typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 5 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 Green River

In Green River in January humidity is 92%. With average temperature -7°C (19°F), this humidity feels like an icy blanket wrapping around you, making each step outside a struggle as the cold lingers in the air and moisture clings to your skin, turning even the briefest outings into a frigid challenge.

January Average Humidity in Green River

This chart illustrates the average monthly humidity levels in Green River, 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 Green River is approximately 92%, 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 Green River

In Green River 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 Green River for better planning.

Maximum UV Index Levels in Green River for January

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

Data source: Green River 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 Green River Compares to Other Months

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

This table compares monthly weather conditions in Green River, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (19°F)	24 mm (0.9 inches)	92%	moderate
February Weather	-6°C (22°F)	24 mm (1.0 inches)	93%	high
March Weather	0°C (32°F)	41 mm (1.6 inches)	85%	high
April Weather	5°C (42°F)	38 mm (1.5 inches)	73%	very high
May Weather	11°C (53°F)	44 mm (1.7 inches)	64%	extreme
June Weather	19°C (66°F)	15 mm (0.6 inches)	57%	extreme
July Weather	23°C (74°F)	7 mm (0.3 inches)	45%	extreme
August Weather	22°C (72°F)	11 mm (0.4 inches)	41%	extreme
September Weather	16°C (62°F)	19 mm (0.7 inches)	50%	very high
October Weather	7°C (44°F)	21 mm (0.8 inches)	70%	high
November Weather	1°C (34°F)	23 mm (0.9 inches)	84%	moderate
December Weather	-6°C (22°F)	22 mm (0.9 inches)	90%	moderate