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January Weather in Marlborough, United States

Last updated: June 24, 2025

In January, the average temperature in Marlborough, United States hovers around -4°C (25°F). Be prepared for a chilly experience, as temperatures can plummet to a minimum of -28°C (-18°F), though you might enjoy a milder maximum of 16°C (62°F) on warmer days. Expect 72 mm (2.8 in) of precipitation spread over 9 days, contributing to an average humidity of 86%. So, bundle up and stay prepared for the diverse weather!

January Temperature in Marlborough

In January in Marlborough, the average temperature is -4°C (25°F). The maximum can reach 16°C (62°F) and the minimum can be as low as -28°C (-18°F). Be prepared for a wide range of temperatures when traveling to Marlborough this month, so pack accordingly!

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 -4°C (25°F), with highs reaching up to 16°C (62°F) and lows dropping to around -28°C (-18°F).
JanFebMarAprMayJunJulAugSepOctNovDec252733455767727063523728
Data source: Temperature data for Marlborough generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Marlborough

In Marlborough in January, the precipitation amount is 72 mm (2.8 in) over the course of 9 days.

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 72 mm (2.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec72857512381781198980135100113
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Marlborough

In Marlborough in January, humidity is 86%. With an average temperature of -4°C (25°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities feel more strenuous and less enjoyable for traveling.

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 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
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.
JanFebMarAprMayJunJulAugSepOctNovDec3468910997632
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.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)72 mm (2.8 inches)86%moderate
February Weather-3°C (27°F)85 mm (3.4 inches)84%moderate
March Weather1°C (33°F)75 mm (3.0 inches)82%high
April Weather7°C (45°F)123 mm (4.8 inches)80%very high
May Weather14°C (57°F)81 mm (3.2 inches)72%very high
June Weather19°C (67°F)78 mm (3.1 inches)72%very high
July Weather22°C (72°F)119 mm (4.7 inches)67%very high
August Weather21°C (71°F)89 mm (3.5 inches)66%very high
September Weather17°C (63°F)80 mm (3.1 inches)71%high
October Weather11°C (52°F)135 mm (5.3 inches)78%high
November Weather3°C (38°F)100 mm (3.9 inches)84%moderate
December Weather-2°C (29°F)112 mm (4.4 inches)81%low

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