January Weather in New Boston, United States

Last updated: June 24, 2025

In January, the average temperature in New Boston, United States hovers around 2°C (35°F). Be prepared for a chilly range, where temperatures can dip as low as -19°C (-2°F) and occasionally rise to a warm 22°C (71°F). During this month, you can expect 85 mm (3.3 in) of precipitation over approximately 9 days, contributing to a high average humidity of 88%.

January Temperature in New Boston

In January in New Boston, the average temperature is 2°C (35°F), with maximums reaching 22°C (71°F) and minimums dropping as low as -19°C (-2°F). Be prepared for a wide range of temperatures when traveling to New Boston during this month.

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 2°C (35°F), with highs reaching up to 22°C (71°F) and lows dropping to around -19°C (-2°F).

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

January Precipitation in New Boston

In New Boston in January, the precipitation amount is 85 mm (3.3 in) over the course of 9 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 85 mm (3.3 inches) of precipitation spread over approximately 9 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 New Boston

In New Boston in January, humidity is 88%. With an average temperature of 2°C (35°F), this humidity feels like you're wrapped in a cold, damp blanket, making outdoor activities uncomfortable and travel challenging due to the chill seeping into your bones.

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 88%, 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 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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (35°F)	85 mm (3.3 inches)	88%	moderate
February Weather	4°C (39°F)	124 mm (4.9 inches)	88%	moderate
March Weather	8°C (47°F)	106 mm (4.2 inches)	87%	high
April Weather	13°C (55°F)	128 mm (5.0 inches)	85%	very high
May Weather	19°C (66°F)	128 mm (5.0 inches)	81%	very high
June Weather	23°C (73°F)	157 mm (6.2 inches)	82%	very high
July Weather	25°C (78°F)	107 mm (4.2 inches)	81%	very high
August Weather	24°C (75°F)	120 mm (4.7 inches)	73%	very high
September Weather	21°C (71°F)	109 mm (4.3 inches)	73%	very high
October Weather	15°C (60°F)	116 mm (4.5 inches)	78%	high
November Weather	7°C (45°F)	77 mm (3.0 inches)	89%	moderate
December Weather	4°C (40°F)	112 mm (4.4 inches)	87%	moderate