January Weather in Newport, United States

Last updated: June 24, 2025

In Newport, United States, the average temperature in January hovers around 4°C (40°F), with minimums dipping as low as -16°C (3°F) and maximums reaching a surprising 25°C (77°F). Expect 88 mm (3.5 in) of precipitation spread over 12 days, alongside an average humidity level of 86%. Be prepared for a month where fluctuating weather keeps you on your toes!

January Temperature in Newport

In January in Newport, the average temperature is 4°C (40°F). Maximums can reach 25°C (77°F), and minimums can be as low as -16°C (3°F). This wide temperature range means travelers should be prepared for both warm and cold weather conditions.

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 4°C (40°F), with highs reaching up to 25°C (77°F) and lows dropping to around -16°C (3°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 precipitation amount is 88 mm (3.5 in) over a span of 12 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 88 mm (3.5 inches) of precipitation spread over approximately 12 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 Newport

In Newport in January humidity is 86%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel cumbersome as you navigate through a thick, heavy air that clings 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 reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Newport for better planning.

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 4, 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	4°C (40°F)	88 mm (3.5 inches)	86%	moderate
February Weather	7°C (45°F)	144 mm (5.7 inches)	86%	high
March Weather	10°C (51°F)	137 mm (5.4 inches)	86%	very high
April Weather	14°C (58°F)	126 mm (5.0 inches)	82%	very high
May Weather	19°C (67°F)	110 mm (4.3 inches)	85%	extreme
June Weather	23°C (73°F)	101 mm (4.0 inches)	85%	extreme
July Weather	25°C (77°F)	100 mm (3.9 inches)	83%	extreme
August Weather	24°C (76°F)	111 mm (4.4 inches)	76%	very high
September Weather	22°C (72°F)	87 mm (3.4 inches)	76%	very high
October Weather	16°C (62°F)	122 mm (4.8 inches)	80%	high
November Weather	8°C (48°F)	76 mm (3.0 inches)	88%	moderate
December Weather	6°C (43°F)	126 mm (4.9 inches)	88%	moderate