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March Weather in Newport, United States

Last updated: June 24, 2025

In March, the average temperature in Newport, United States hovers around -1°C (31°F), though conditions can vary significantly. Be prepared for chilly extremes, with minimum temperatures dropping to -20°C (-3°F) and highs reaching up to 21°C (71°F). Expect about 102 mm (4.0 in) of precipitation spread over 12 days, and note that the average humidity is a brisk 87%, adding to the wintery atmosphere.

March Temperature in Newport

In March in Newport, the average temperature is -1°C (31°F), with maximums reaching 21°C (71°F) and minimums dropping as low as -20°C (-3°F). Be prepared for a wide temperature range if you're planning to travel during this time.

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

The chart illustrates March 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, March typically has an average temperature of -1°C (31°F), with highs reaching up to 21°C (71°F) and lows dropping to around -20°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec212531445664696761503527
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.

March Precipitation in Newport

In Newport in March, the total precipitation amount is 102 mm (4.0 in), occurring over a span of 12 days.

March Precipitation Trends in Newport

The chart displays monthly precipitation patterns in Newport, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Newport, March typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec10811810213913612315713494180136129
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Newport

In Newport in March humidity is 87%. With an average temperature of -1°C (31°F), this humidity feels like a biting chill that seeps through your clothes, making traveling incredibly uncomfortable as it adds a layer of dampness to the already cold air, leaving you shivering and wishing for warmth.

March Average Humidity in Newport

This chart illustrates the average monthly humidity levels in Newport, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Newport is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%87%88%82%79%78%76%78%84%89%86%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Newport

In Newport in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Newport, you can refer to this Hourly UV Index in Newport.

Maximum UV Index Levels in Newport for March

The chart shows the monthly maximum UV Index (UVI) for Newport in March, 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 March, the maximum UV index in Newport typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468910998632
Data source: Newport March 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 March 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 March’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 March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)108 mm (4.3 inches)90%moderate
February Weather-4°C (25°F)118 mm (4.7 inches)90%moderate
March Weather-1°C (31°F)102 mm (4.0 inches)87%high
April Weather6°C (44°F)139 mm (5.5 inches)88%very high
May Weather13°C (56°F)136 mm (5.3 inches)82%very high
June Weather18°C (65°F)123 mm (4.9 inches)79%very high
July Weather21°C (70°F)157 mm (6.2 inches)78%very high
August Weather20°C (68°F)134 mm (5.3 inches)76%very high
September Weather16°C (61°F)94 mm (3.7 inches)78%very high
October Weather10°C (51°F)179 mm (7.1 inches)84%high
November Weather2°C (35°F)136 mm (5.3 inches)89%moderate
December Weather-3°C (27°F)129 mm (5.1 inches)86%low

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