January Weather in Green Island, United States

Last updated: June 24, 2025

In January, the average temperature in Green Island, United States hovers around -3°C (27°F). However, temperatures can fluctuate dramatically, with minimums plummeting to -25°C (-13°F) and maximums reaching up to 17°C (63°F). During this time, the precipitation is notable, averaging 73 mm (2.9 in) over 9 days, combined with high humidity levels of 89%.

January Temperature in Green Island

In January in Green Island, the average temperature is -3°C (27°F), with a maximum that can reach 17°C (63°F) and a minimum that can drop as low as -25°C (-13°F). Travelers should be prepared for a wide range of temperatures and dress in layers to stay comfortable during their visit.

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

The chart illustrates January temperature patterns in Green Island, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Green Island, January typically has an average temperature of -3°C (27°F), with highs reaching up to 17°C (63°F) and lows dropping to around -25°C (-13°F).

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

January Precipitation in Green Island

In Green Island in January, the precipitation amount is 73 mm (2.9 in), occurring over the course of 9 days.

January Precipitation Trends in Green Island

The chart displays monthly precipitation patterns in Green Island, 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 Island, January typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 9 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 Island

In Green Island in January, humidity is 89%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and breath a visible frost as you navigate through the wintery landscape.

January Average Humidity in Green Island

This chart illustrates the average monthly humidity levels in Green Island, 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 Island is approximately 89%, 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 Island

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

Maximum UV Index Levels in Green Island for January

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

Data source: Green Island 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 Island Compares to Other Months

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

This table compares monthly weather conditions in Green Island, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	73 mm (2.9 inches)	89%	moderate
February Weather	-1°C (30°F)	93 mm (3.7 inches)	88%	moderate
March Weather	2°C (36°F)	78 mm (3.1 inches)	86%	high
April Weather	9°C (48°F)	129 mm (5.1 inches)	84%	very high
May Weather	15°C (60°F)	99 mm (3.9 inches)	76%	very high
June Weather	20°C (68°F)	99 mm (3.9 inches)	72%	very high
July Weather	23°C (74°F)	133 mm (5.2 inches)	66%	very high
August Weather	22°C (72°F)	105 mm (4.2 inches)	64%	very high
September Weather	18°C (65°F)	104 mm (4.1 inches)	72%	high
October Weather	12°C (54°F)	144 mm (5.7 inches)	81%	high
November Weather	4°C (40°F)	99 mm (3.9 inches)	87%	moderate
December Weather	0°C (32°F)	97 mm (3.8 inches)	84%	low