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January Weather in New England, United States

Last updated: June 24, 2025

In January, the average temperature in New England, United States hovers around -7°C (19°F), with extremes ranging from a frigid -38°C (-36°F) to a milder 9°C (49°F). Expect 11 mm (0.4 in) of precipitation spread over just 2 days, and be prepared for a high average humidity of 83%, which can make the chill feel even sharper.

January Temperature in New England

In January in New England, the average temperature is -7°C (19°F), with maximums reaching 9°C (49°F) and minimums dropping as low as -38°C (-36°F). Travelers should be prepared for very cold conditions and ensure they have appropriate clothing and gear for outdoor activities.

January Weather in New England: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in New England, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New England, January typically has an average temperature of -7°C (19°F), with highs reaching up to 9°C (49°F) and lows dropping to around -38°C (-36°F).
JanFebMarAprMayJunJulAugSepOctNovDec191531405467736960433224
Data source: Temperature data for New England 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 New England

In New England in January, the precipitation amount is 11 mm (0.4 in) over the course of 2 days.

January Precipitation Trends in New England

The chart displays monthly precipitation patterns in New England, 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 New England, January typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec111722326346586652521618
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in New England

In New England in January, humidity is 83%. With an average temperature of -7°C (19°F), this humidity feels like an icy embrace that can make even short walks outside feel burdensome, as the cold dampness seeps into your clothes and chills you to the bone, making travel quite challenging.

January Average Humidity in New England

This chart illustrates the average monthly humidity levels in New England, 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 New England is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%86%77%72%77%79%78%74%68%70%80%84%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in New England

In New England in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in New England, you can visit Hourly UV Index in New England.

Maximum UV Index Levels in New England for January

The chart shows the monthly maximum UV Index (UVI) for New England 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 New England typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec25599101098532
Data source: New England 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 New England Compares to Other Months

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

This table compares monthly weather conditions in New England, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)11 mm (0.4 inches)83%low
February Weather-10°C (15°F)17 mm (0.7 inches)86%moderate
March Weather-1°C (31°F)22 mm (0.9 inches)77%moderate
April Weather4°C (40°F)32 mm (1.3 inches)72%very high
May Weather12°C (54°F)63 mm (2.5 inches)77%very high
June Weather20°C (68°F)46 mm (1.8 inches)79%very high
July Weather23°C (73°F)58 mm (2.3 inches)78%very high
August Weather21°C (70°F)66 mm (2.6 inches)74%very high
September Weather16°C (60°F)52 mm (2.0 inches)68%very high
October Weather6°C (43°F)52 mm (2.0 inches)70%moderate
November Weather0°C (32°F)16 mm (0.6 inches)80%moderate
December Weather-4°C (25°F)18 mm (0.7 inches)84%low

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