January Weather in Medfield, United States

Last updated: June 24, 2025

In January, the average temperature in Medfield, United States hovers around -1°C (31°F). Expect a wide range in temperatures, with minimums dipping to -21°C (-6°F) and maximums soaring to 21°C (70°F). During this month, precipitation amounts to approximately 70 mm (2.8 in) over 8 days, while the average humidity remains high at 86%.

January Temperature in Medfield

In January in Medfield, the average temperature is -1°C (31°F), with maximums reaching up to 21°C (70°F) and minimums dropping as low as -21°C (-6°F). Travelers should be prepared for a wide range of temperatures, so it's advisable to pack layers and be ready for both chilly and mild days.

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

The chart illustrates January temperature patterns in Medfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Medfield, January typically has an average temperature of -1°C (31°F), with highs reaching up to 21°C (70°F) and lows dropping to around -21°C (-6°F).

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

January Precipitation in Medfield

In Medfield in January, the total precipitation amount is 70 mm (2.8 in), spread over the course of 8 days.

January Precipitation Trends in Medfield

The chart displays monthly precipitation patterns in Medfield, 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 Medfield, January typically receives around 70 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 Medfield

In Medfield in January humidity is 86%. With an average temperature of -1°C (31°F), this humidity feels like an eerie chill enveloping you, making travel uncomfortable as the damp air bites into your skin and the cold seeps through even the warmest of clothes, creating an atmosphere that is heavy and uninviting.

January Average Humidity in Medfield

This chart illustrates the average monthly humidity levels in Medfield, 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 Medfield 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 Medfield

In Medfield 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 Medfield, you can check the information here.

Maximum UV Index Levels in Medfield for January

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

Data source: Medfield 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 Medfield Compares to Other Months

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

This table compares monthly weather conditions in Medfield, 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 (31°F)	70 mm (2.8 inches)	86%	moderate
February Weather	1°C (34°F)	86 mm (3.4 inches)	84%	moderate
March Weather	3°C (38°F)	94 mm (3.7 inches)	82%	moderate
April Weather	9°C (49°F)	126 mm (5.0 inches)	80%	very high
May Weather	15°C (59°F)	90 mm (3.5 inches)	72%	very high
June Weather	20°C (69°F)	87 mm (3.4 inches)	72%	very high
July Weather	23°C (74°F)	126 mm (5.0 inches)	67%	very high
August Weather	23°C (74°F)	84 mm (3.3 inches)	66%	very high
September Weather	19°C (67°F)	84 mm (3.3 inches)	71%	high
October Weather	13°C (56°F)	138 mm (5.4 inches)	78%	high
November Weather	6°C (43°F)	95 mm (3.7 inches)	84%	moderate
December Weather	1°C (35°F)	118 mm (4.6 inches)	81%	low