January Weather in Newton, United States

Last updated: June 24, 2025

In January, the average temperature in Newton, United States hovers around -6°C (22°F). Expect chilly days, with temperatures dipping as low as -31°C (-23°F) and occasionally reaching a maximum of 14°C (57°F). Keep your umbrella handy, as precipitation averages 41 mm (1.6 in) over 6 days. With an average humidity of 78%, be prepared for a brisk and damp atmosphere!

January Temperature in Newton

In January in Newton, the average temperature is -6°C (22°F). Maximums can reach 14°C (57°F), while minimums can plummet to as low as -31°C (-23°F). Travelers should be well-prepared for a wide range of temperatures and dress accordingly.

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 -6°C (22°F), with highs reaching up to 14°C (57°F) and lows dropping to around -31°C (-23°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 41 mm (1.6 in) over the course of 6 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 41 mm (1.6 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Newton

In Newton in January, humidity is 78%. With an average temperature of -6°C (22°F), this humidity feels like a biting chill that seeps through your layers, making outdoor activities less enjoyable and creating a sharp contrast that can be unexpectedly uncomfortable for travelers.

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 78%, 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 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 Newton, you can check the information here.

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 3, which falls under the moderate 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	-6°C (22°F)	41 mm (1.6 inches)	78%	moderate
February Weather	-5°C (23°F)	46 mm (1.8 inches)	80%	moderate
March Weather	4°C (39°F)	80 mm (3.1 inches)	77%	high
April Weather	9°C (49°F)	79 mm (3.1 inches)	77%	very high
May Weather	17°C (62°F)	165 mm (6.5 inches)	77%	very high
June Weather	23°C (74°F)	126 mm (5.0 inches)	81%	extreme
July Weather	24°C (76°F)	80 mm (3.1 inches)	81%	very high
August Weather	23°C (73°F)	75 mm (2.9 inches)	77%	very high
September Weather	20°C (68°F)	119 mm (4.7 inches)	73%	very high
October Weather	11°C (53°F)	144 mm (5.7 inches)	75%	high
November Weather	3°C (38°F)	45 mm (1.8 inches)	85%	moderate
December Weather	-1°C (31°F)	37 mm (1.4 inches)	83%	moderate