January Weather in Greentown, United States

Last updated: June 24, 2025

In January, the average temperature in Greentown, United States is a chilly -2°C (29°F), with extremes ranging from a frigid -23°C (-9°F) to a surprisingly warm 20°C (69°F). Precipitation is expected to amount to 84 mm (3.3 in) over approximately 12 days, while the average humidity hovers around a significant 88%. Prepare for a mix of brisk conditions and wet days!

January Temperature in Greentown

In January in Greentown, the average temperature is -2°C (29°F). Maximums can reach 20°C (69°F), while minimums can drop as low as -23°C (-9°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack for both warmth and mild weather.

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

The chart illustrates January temperature patterns in Greentown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greentown, January typically has an average temperature of -2°C (29°F), with highs reaching up to 20°C (69°F) and lows dropping to around -23°C (-9°F).

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

January Precipitation in Greentown

In Greentown in January, the precipitation amount is 84 mm (3.3 in) over a span of 12 days.

January Precipitation Trends in Greentown

The chart displays monthly precipitation patterns in Greentown, 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 Greentown, January typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Greentown

In Greentown in January, humidity is 88%. With an average temperature of -2°C (29°F), this humidity feels like a biting chill in the air that penetrates layers of clothing, making outdoor activities challenging and potentially uncomfortable for travelers.

January Average Humidity in Greentown

This chart illustrates the average monthly humidity levels in Greentown, 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 Greentown is approximately 88%, 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 Greentown

In Greentown 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 Greentown, you can check the information here.

Maximum UV Index Levels in Greentown for January

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

Data source: Greentown 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 Greentown Compares to Other Months

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

This table compares monthly weather conditions in Greentown, 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)	84 mm (3.3 inches)	88%	moderate
February Weather	0°C (33°F)	98 mm (3.8 inches)	88%	moderate
March Weather	4°C (40°F)	102 mm (4.0 inches)	87%	high
April Weather	10°C (50°F)	133 mm (5.2 inches)	87%	very high
May Weather	16°C (62°F)	121 mm (4.8 inches)	81%	very high
June Weather	21°C (70°F)	131 mm (5.1 inches)	83%	very high
July Weather	24°C (75°F)	119 mm (4.7 inches)	82%	very high
August Weather	22°C (72°F)	93 mm (3.7 inches)	76%	very high
September Weather	20°C (67°F)	101 mm (4.0 inches)	77%	very high
October Weather	14°C (57°F)	106 mm (4.2 inches)	82%	high
November Weather	5°C (41°F)	93 mm (3.7 inches)	89%	moderate
December Weather	2°C (35°F)	91 mm (3.6 inches)	86%	low