January Weather in Marlborough, United States

Last updated: June 24, 2025

In January, the average temperature in Marlborough, United States is a chilling 0°C (33°F). Expect the mercury to dip as low as -21°C (-5°F) or climb to a balmy 20°C (68°F). During this time, you'll encounter 79 mm (3.1 in) of precipitation over 8 days, with humidity lingering around a cozy 82%.

January Temperature in Marlborough

In January in Marlborough, the average temperature is 0°C (33°F). Maximum temperatures can reach 20°C (68°F), while minimums can drop as low as -21°C (-5°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack accordingly for both cold and mild weather.

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

The chart illustrates January temperature patterns in Marlborough, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marlborough, January typically has an average temperature of 0°C (33°F), with highs reaching up to 20°C (68°F) and lows dropping to around -21°C (-5°F).

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

January Precipitation in Marlborough

In Marlborough in January, the precipitation amount is 79 mm (3.1 in) during 8 days, indicating a relatively wet period for the area.

January Precipitation Trends in Marlborough

The chart displays monthly precipitation patterns in Marlborough, 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 Marlborough, January typically receives around 79 mm (3.1 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 Marlborough

In Marlborough in January, humidity is 82%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures feel much colder than the mercury suggests, and reminding you to bundle up as you explore.

January Average Humidity in Marlborough

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

In Marlborough 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 Marlborough, you can check the information here.

Maximum UV Index Levels in Marlborough for January

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

Data source: Marlborough 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 Marlborough Compares to Other Months

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

This table compares monthly weather conditions in Marlborough, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (33°F)	79 mm (3.1 inches)	82%	moderate
February Weather	2°C (36°F)	82 mm (3.2 inches)	80%	moderate
March Weather	8°C (48°F)	134 mm (5.3 inches)	80%	high
April Weather	13°C (56°F)	135 mm (5.3 inches)	80%	very high
May Weather	20°C (68°F)	146 mm (5.7 inches)	82%	very high
June Weather	25°C (77°F)	94 mm (3.7 inches)	83%	extreme
July Weather	27°C (80°F)	92 mm (3.6 inches)	81%	very high
August Weather	25°C (77°F)	131 mm (5.1 inches)	80%	very high
September Weather	23°C (73°F)	58 mm (2.3 inches)	76%	very high
October Weather	15°C (60°F)	107 mm (4.2 inches)	76%	high
November Weather	7°C (45°F)	75 mm (3.0 inches)	85%	moderate
December Weather	4°C (40°F)	64 mm (2.5 inches)	86%	moderate