January Weather in Newton, United States

Last updated: June 24, 2025

In January, the average temperature in Newton, United States hovers around -1°C (30°F). During this month, temperatures can dip as low as -21°C (-5°F) or rise to a maximum of 19°C (66°F). Expect 71 mm (2.8 in) of precipitation spread over 8 days, contributing to an average humidity level of 86%. Stay warm and prepared for wet weather!

January Temperature in Newton

In January in Newton, the average temperature is -1°C (30°F). Maximum temperatures can reach 19°C (66°F), while minimums can drop as low as -21°C (-5°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates January temperature patterns in Newton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Newton, January typically has an average temperature of -1°C (30°F), with highs reaching up to 19°C (66°F) and lows dropping to around -21°C (-5°F).

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

January Precipitation in Newton

In Newton in January, the precipitation amount is 71 mm (2.8 in) over the course of 8 days.

January Precipitation Trends in Newton

The chart displays monthly precipitation patterns in Newton, 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 Newton, January typically receives around 71 mm (2.8 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 Newton

In Newton in January, humidity is 86%. With an average temperature of -1°C (30°F), this humidity feels like a heavy blanket wrapping around you, making traveling feel much colder and more uncomfortable than the temperature suggests.

January Average Humidity in Newton

This chart illustrates the average monthly humidity levels in Newton, 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 Newton is approximately 86%, 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 Newton

In Newton 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 Newton, you can visit Hourly UV Index in Newton.

Maximum UV Index Levels in Newton for January

The chart shows the monthly maximum UV Index (UVI) for Newton 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 Newton typically reaches 2, which falls under the low exposure category.

Data source: Newton 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 Newton Compares to Other Months

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

This table compares monthly weather conditions in Newton, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	71 mm (2.8 inches)	86%	low
February Weather	0°C (32°F)	89 mm (3.5 inches)	84%	moderate
March Weather	3°C (37°F)	87 mm (3.4 inches)	82%	moderate
April Weather	8°C (47°F)	131 mm (5.2 inches)	80%	very high
May Weather	14°C (58°F)	83 mm (3.3 inches)	72%	very high
June Weather	20°C (68°F)	88 mm (3.5 inches)	72%	very high
July Weather	23°C (73°F)	127 mm (5.0 inches)	67%	very high
August Weather	23°C (73°F)	70 mm (2.8 inches)	66%	very high
September Weather	19°C (66°F)	74 mm (2.9 inches)	71%	high
October Weather	13°C (56°F)	131 mm (5.1 inches)	78%	high
November Weather	6°C (43°F)	98 mm (3.9 inches)	84%	moderate
December Weather	1°C (34°F)	121 mm (4.8 inches)	81%	low