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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 0°C (33°F). Expect a chilly minimum of -20°C (-4°F), while the mercury can rise to a pleasant maximum of 21°C (70°F). Precipitation is moderate, with about 72 mm (2.8 in) falling over 9 days, and the air carries an average humidity of 82%. Stay prepared for varied weather!

March Temperature in Newport

In March in Newport, the average temperature is 0°C (33°F). Maximum temperatures can reach 21°C (70°F), while minimums can drop as low as -20°C (-4°F). This varied climate makes it essential for travelers to pack accordingly and be prepared for both mild and extremely cold weather.

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 0°C (33°F), with highs reaching up to 21°C (70°F) and lows dropping to around -20°C (-4°F).
JanFebMarAprMayJunJulAugSepOctNovDec232632445666727063513728
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 precipitation amount is 72 mm (2.8 in) over the course of 9 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 72 mm (2.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec70837212079801118470133101107
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 82%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures feel much colder than the mercury suggests, and reminding you to bundle up as you explore.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
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.
JanFebMarAprMayJunJulAugSepOctNovDec3468910997632
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-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 Weather0°C (33°F)72 mm (2.8 inches)82%high
April Weather7°C (45°F)120 mm (4.7 inches)80%very high
May Weather14°C (57°F)79 mm (3.1 inches)72%very high
June Weather19°C (67°F)80 mm (3.1 inches)72%very high
July Weather22°C (72°F)111 mm (4.4 inches)67%very high
August Weather21°C (70°F)84 mm (3.3 inches)66%very high
September Weather17°C (63°F)70 mm (2.8 inches)71%high
October Weather11°C (51°F)133 mm (5.2 inches)78%high
November Weather3°C (37°F)100 mm (4.0 inches)84%moderate
December Weather-2°C (28°F)107 mm (4.2 inches)81%low

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