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January Weather in New Boston, United States

Last updated: June 24, 2025

In January, the average temperature in New Boston, United States hovers around -4°C (26°F). However, be prepared for a temperature range that can dip to a chilling -25°C (-12°F) and rise to a mild 17°C (63°F). During this month, expect about 72 mm (2.8 in) of precipitation spread over 8 days, contributing to a notably high average humidity of 86%.

January Temperature in New Boston

In January in New Boston, the average temperature is -4°C (26°F), with maximums reaching 17°C (63°F) and minimums dropping as low as -25°C (-12°F). Be prepared for a wide range of temperatures if you plan to travel during this time.

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

The chart illustrates January temperature patterns in New Boston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Boston, January typically has an average temperature of -4°C (26°F), with highs reaching up to 17°C (63°F) and lows dropping to around -25°C (-12°F).
JanFebMarAprMayJunJulAugSepOctNovDec262834465768737164523829
Data source: Temperature data for New Boston 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 Boston

In New Boston in January, the precipitation amount is 72 mm (2.8 in) over the course of 8 days.

January Precipitation Trends in New Boston

The chart displays monthly precipitation patterns in New Boston, 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 Boston, January typically receives around 72 mm (2.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec72868013081841449784132103120
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in New Boston

In New Boston in January humidity is 86%. With an average temperature of -4°C (26°F), this humidity feels like an icy chill that penetrates layers of clothing, making outdoor activities uncomfortable and requiring travelers to be extra cautious as they navigate the frigid air.

January Average Humidity in New Boston

This chart illustrates the average monthly humidity levels in New Boston, 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 Boston 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 New Boston

In New Boston 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 New Boston, you can check the information here.

Maximum UV Index Levels in New Boston for January

The chart shows the monthly maximum UV Index (UVI) for New Boston 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 Boston typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3458910997532
Data source: New Boston 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 Boston Compares to Other Months

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

This table compares monthly weather conditions in New Boston, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)72 mm (2.8 inches)86%moderate
February Weather-2°C (28°F)86 mm (3.4 inches)84%moderate
March Weather1°C (35°F)80 mm (3.2 inches)82%moderate
April Weather8°C (46°F)130 mm (5.1 inches)80%very high
May Weather14°C (58°F)80 mm (3.2 inches)72%very high
June Weather20°C (68°F)84 mm (3.3 inches)72%very high
July Weather23°C (73°F)144 mm (5.7 inches)67%very high
August Weather22°C (71°F)97 mm (3.8 inches)66%very high
September Weather18°C (64°F)84 mm (3.3 inches)71%high
October Weather11°C (53°F)132 mm (5.2 inches)78%moderate
November Weather4°C (39°F)103 mm (4.1 inches)84%moderate
December Weather-1°C (30°F)120 mm (4.7 inches)81%low

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