January Weather in Greenfield, United States

Last updated: June 24, 2025

In January, the average temperature in Greenfield, United States hovers around -4°C (26°F). However, be prepared for a temperature range that can dip to a chilling -25°C (-12°F) and rise to a mild 17°C (63°F). During this month, expect about 72 mm (2.8 in) of precipitation spread over 8 days, contributing to a notably high average humidity of 86%.

January Temperature in Greenfield

In January in Greenfield, the average temperature is -4°C (26°F), with maximums reaching 17°C (63°F) and minimums dropping as low as -25°C (-12°F). Be prepared for a wide range of temperatures if you plan to travel during this time.

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

The chart illustrates January temperature patterns in Greenfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greenfield, January typically has an average temperature of -4°C (26°F), with highs reaching up to 17°C (63°F) and lows dropping to around -25°C (-12°F).

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

January Precipitation in Greenfield

In Greenfield in January, the precipitation amount is 72 mm (2.8 in) over the course of 8 days.

January Precipitation Trends in Greenfield

The chart displays monthly precipitation patterns in Greenfield, 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 Greenfield, January typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 8 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 Greenfield

In Greenfield in January humidity is 86%. With an average temperature of -4°C (26°F), this humidity feels like an icy chill that penetrates layers of clothing, making outdoor activities uncomfortable and requiring travelers to be extra cautious as they navigate the frigid air.

January Average Humidity in Greenfield

This chart illustrates the average monthly humidity levels in Greenfield, 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 Greenfield is approximately 86%, 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 Greenfield

In Greenfield 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 Greenfield, you can check the information here.

Maximum UV Index Levels in Greenfield for January

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

Data source: Greenfield 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 Greenfield Compares to Other Months

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

This table compares monthly weather conditions in Greenfield, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (26°F)	72 mm (2.8 inches)	86%	moderate
February Weather	-2°C (28°F)	86 mm (3.4 inches)	84%	moderate
March Weather	1°C (35°F)	80 mm (3.2 inches)	82%	moderate
April Weather	8°C (46°F)	130 mm (5.1 inches)	80%	very high
May Weather	14°C (58°F)	80 mm (3.2 inches)	72%	very high
June Weather	20°C (68°F)	84 mm (3.3 inches)	72%	very high
July Weather	23°C (73°F)	144 mm (5.7 inches)	67%	very high
August Weather	22°C (71°F)	97 mm (3.8 inches)	66%	very high
September Weather	18°C (64°F)	84 mm (3.3 inches)	71%	high
October Weather	11°C (53°F)	132 mm (5.2 inches)	78%	moderate
November Weather	4°C (39°F)	103 mm (4.1 inches)	84%	moderate
December Weather	-1°C (30°F)	120 mm (4.7 inches)	81%	low