January Weather in Greenfield, United States

Last updated: June 24, 2025

In January, the average temperature in Greenfield, United States hovers around 10°C (50°F). Expect a minimum chill of -1°C (30°F), while the highs can reach up to 25°C (77°F). Rain is likely, with a total precipitation of 112 mm (4.4 in) over 7 days, contributing to an average humidity of 82%. Prepare accordingly for a mix of cool and warm days!

January Temperature in Greenfield

In January in Greenfield, the average temperature is 10°C (50°F), with maximums reaching 25°C (77°F) and minimums dipping as low as -1°C (30°F). This makes it an ideal time for travelers to enjoy a range of outdoor activities, from cozy strolls to invigorating hikes.

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 10°C (50°F), with highs reaching up to 25°C (77°F) and lows dropping to around -1°C (30°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 total precipitation amount is 112 mm (4.4 in) over a period of 7 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 112 mm (4.4 inches) of precipitation spread over approximately 7 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 82%. With an average temperature of 10°C (50°F), this humidity feels like a dense, heavy blanket wrapping around you, making every step feel sluggish and the air thick, which can make traveling quite uncomfortable.

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 82%, 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 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 Greenfield for better planning.

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 4, 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	10°C (50°F)	112 mm (4.4 inches)	82%	moderate
February Weather	10°C (50°F)	75 mm (2.9 inches)	84%	moderate
March Weather	11°C (52°F)	74 mm (2.9 inches)	82%	very high
April Weather	14°C (57°F)	21 mm (0.8 inches)	78%	very high
May Weather	16°C (62°F)	15 mm (0.6 inches)	71%	extreme
June Weather	21°C (69°F)	1 mm (0.0 inches)	64%	extreme
July Weather	23°C (75°F)	0 mm (0.0 inches)	58%	extreme
August Weather	24°C (75°F)	0 mm (0.0 inches)	54%	extreme
September Weather	21°C (71°F)	1 mm (0.0 inches)	55%	very high
October Weather	18°C (64°F)	10 mm (0.4 inches)	62%	high
November Weather	13°C (56°F)	27 mm (1.0 inches)	78%	moderate
December Weather	10°C (50°F)	76 mm (3.0 inches)	80%	moderate