January Weather in Green River, United States

Last updated: June 24, 2025

In Green River, United States, the average temperature in January hovers around -1°C (30°F). Expect minimums of -19°C (-1°F) and maximums reaching up to 12°C (54°F). During this time, you can anticipate 19 mm (0.7 in) of precipitation spread over 5 days, accompanied by a notable average humidity of 87%.

January Temperature in Green River

In January in Green River, the average temperature is -1°C (30°F), with maximums reaching 12°C (54°F) and minimums potentially dropping as low as -19°C (-1°F). Travelers should prepare for cold weather and pack appropriately to enjoy their visit.

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 -1°C (30°F), with highs reaching up to 12°C (54°F) and lows dropping to around -19°C (-1°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 total precipitation amount is 19 mm (0.7 in) spread 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 19 mm (0.7 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 87%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that penetrates through layers of clothing, making travel uncomfortable as the dampness clings to your skin, intensifying the cold and causing every gust of wind to feel even more frigid.

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 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 Green River

In Green River 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 Green River, you can check the information here.

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 3, 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	-1°C (30°F)	19 mm (0.7 inches)	87%	moderate
February Weather	3°C (37°F)	20 mm (0.8 inches)	88%	high
March Weather	9°C (48°F)	23 mm (0.9 inches)	77%	very high
April Weather	13°C (56°F)	11 mm (0.4 inches)	69%	very high
May Weather	18°C (65°F)	20 mm (0.8 inches)	54%	extreme
June Weather	25°C (78°F)	5 mm (0.2 inches)	45%	extreme
July Weather	29°C (84°F)	8 mm (0.3 inches)	37%	extreme
August Weather	27°C (81°F)	12 mm (0.5 inches)	34%	extreme
September Weather	22°C (71°F)	13 mm (0.5 inches)	47%	very high
October Weather	11°C (53°F)	23 mm (0.9 inches)	67%	high
November Weather	5°C (42°F)	15 mm (0.6 inches)	82%	moderate
December Weather	0°C (33°F)	15 mm (0.6 inches)	87%	moderate