January Weather in Newport, United States

Last updated: June 24, 2025

In January, the average temperature in Newport, United States hovers around -5°C (24°F), with extremes ranging from a chilling -29°C (-19°F) to a balmy 16°C (61°F). Expect about 70 mm (2.8 in) of precipitation spread across 9 days, contributing to an average humidity level of a moist 86%. Stay prepared for a wintery mix in this frosty destination!

January Temperature in Newport

In January in Newport, the average temperature is -5°C (24°F), with maximums that can reach 16°C (61°F) and minimums plummeting as low as -29°C (-19°F). Travelers should be prepared for extreme temperature fluctuations and dress in layers to stay comfortable during their visit.

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

The chart illustrates January temperature patterns in Newport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Newport, January typically has an average temperature of -5°C (24°F), with highs reaching up to 16°C (61°F) and lows dropping to around -29°C (-19°F).

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

January Precipitation in Newport

In Newport in January, the total precipitation amount is 70 mm (2.8 in) spread over 9 days.

January Precipitation Trends in Newport

The chart displays monthly precipitation patterns in Newport, 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 Newport, January typically receives around 70 mm (2.8 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 Newport

In Newport in January, humidity is 86%. With an average temperature of -5°C (24°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as even the slightest breeze becomes biting, and your clothing clings uncomfortably to your skin.

January Average Humidity in Newport

This chart illustrates the average monthly humidity levels in Newport, 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 Newport 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 Newport

In Newport 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 Newport, you can check the information here.

Maximum UV Index Levels in Newport for January

The chart shows the monthly maximum UV Index (UVI) for Newport 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 Newport typically reaches 3, which falls under the moderate exposure category.

Data source: Newport 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 Newport Compares to Other Months

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

This table compares monthly weather conditions in Newport, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	70 mm (2.8 inches)	86%	moderate
February Weather	-3°C (26°F)	83 mm (3.3 inches)	84%	moderate
March Weather	0°C (33°F)	72 mm (2.8 inches)	82%	high
April Weather	7°C (45°F)	120 mm (4.7 inches)	80%	very high
May Weather	14°C (57°F)	79 mm (3.1 inches)	72%	very high
June Weather	19°C (67°F)	80 mm (3.1 inches)	72%	very high
July Weather	22°C (72°F)	111 mm (4.4 inches)	67%	very high
August Weather	21°C (70°F)	84 mm (3.3 inches)	66%	very high
September Weather	17°C (63°F)	70 mm (2.8 inches)	71%	high
October Weather	11°C (51°F)	133 mm (5.2 inches)	78%	high
November Weather	3°C (37°F)	100 mm (4.0 inches)	84%	moderate
December Weather	-2°C (28°F)	107 mm (4.2 inches)	81%	low