January Weather in Newton, United States

Last updated: June 24, 2025

In January, the average temperature in Newton, United States hovers around 1°C (33°F), with extremes that can drop to a chilly -20°C (-3°F) or rise to a pleasant 20°C (69°F). Expect a precipitation amount of about 34 mm (1.4 in) over 4 days, contributing to an average humidity of 77%. Make sure to dress appropriately for the varying conditions!

January Temperature in Newton

In January in Newton, the average temperature is 1°C (33°F). Maximum temperatures can reach 20°C (69°F), while minimum temperatures can drop as low as -20°C (-3°F). It's essential to pack accordingly for your trip, as you may experience a wide range of temperatures during your visit.

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 (33°F), with highs reaching up to 20°C (69°F) and lows dropping to around -20°C (-3°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 total precipitation amount is 34 mm (1.4 in) spread over a period of 4 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 34 mm (1.4 inches) of precipitation spread over approximately 4 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 77%. With an average temperature of 1°C (33°F), this humidity feels like an uncomfortable chill that penetrates through layers of clothing, making travel outside feel damp and bone-cold.

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 77%, 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	1°C (33°F)	34 mm (1.4 inches)	77%	moderate
February Weather	1°C (34°F)	33 mm (1.3 inches)	76%	high
March Weather	9°C (48°F)	84 mm (3.3 inches)	71%	high
April Weather	13°C (55°F)	76 mm (3.0 inches)	73%	very high
May Weather	19°C (66°F)	176 mm (6.9 inches)	83%	very high
June Weather	25°C (78°F)	101 mm (4.0 inches)	83%	extreme
July Weather	27°C (80°F)	78 mm (3.1 inches)	81%	extreme
August Weather	25°C (78°F)	128 mm (5.0 inches)	73%	very high
September Weather	22°C (73°F)	85 mm (3.3 inches)	67%	very high
October Weather	14°C (57°F)	103 mm (4.0 inches)	72%	high
November Weather	7°C (45°F)	27 mm (1.1 inches)	82%	moderate
December Weather	3°C (38°F)	30 mm (1.2 inches)	85%	moderate