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January Weather in Newport, United States

Last updated: June 24, 2025

In January, the average temperature in Newport, United States hovers around -2°C (29°F), with extremes reaching a chilly -20°C (-3°F) at its lowest and a mild 8°C (47°F) at its peak. Expect 101 mm (4.0 in) of precipitation spread across 14 days, contributing to a notably high average humidity of 95%. Prepare for a brisk and damp atmosphere as winter settles in!

January Temperature in Newport

In January in Newport, the average temperature is -2°C (29°F), with maximums reaching 8°C (47°F) and minimums plummeting to -20°C (-3°F). Travelers should be prepared for cold conditions and pack accordingly to enjoy their stay.

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 -2°C (29°F), with highs reaching up to 8°C (47°F) and lows dropping to around -20°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec292737445664737260463731
Data source: Temperature data for Newport generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Newport

In Newport in January, the precipitation amount is 101 mm (4.0 in) over the course of 14 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 101 mm (4.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec1018676745532722447796109
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Newport

In Newport in January, humidity is 95%. With an average temperature of -2°C (29°F), this humidity feels like a cold, damp chill that seeps into your bones, making outdoor travel uncomfortable and necessitating extra layers to stay warm and dry.

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 95%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%91%88%83%80%82%71%71%85%90%96%
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 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 Newport, you can visit Hourly UV Index in Newport.

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 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689997432
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.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)101 mm (4.0 inches)95%low
February Weather-3°C (27°F)86 mm (3.4 inches)93%moderate
March Weather3°C (37°F)76 mm (3.0 inches)91%moderate
April Weather7°C (45°F)74 mm (2.9 inches)88%high
May Weather13°C (56°F)55 mm (2.2 inches)83%very high
June Weather18°C (64°F)32 mm (1.2 inches)80%very high
July Weather23°C (73°F)7 mm (0.3 inches)82%very high
August Weather22°C (72°F)22 mm (0.9 inches)71%very high
September Weather16°C (61°F)44 mm (1.7 inches)71%high
October Weather8°C (46°F)77 mm (3.0 inches)85%moderate
November Weather3°C (37°F)96 mm (3.8 inches)90%moderate
December Weather-1°C (31°F)109 mm (4.3 inches)96%low

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