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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 3°C (37°F), with minima dipping as low as -18°C (-1°F) and maxima reaching up to 18°C (65°F). Expect 76 mm (3.0 in) of precipitation spread over 14 days, paired with a high average humidity of 91%. Stay prepared for a chilly and damp month ahead!

March Temperature in Newport

In March in Newport, the average temperature is 3°C (37°F). Maximums can reach 18°C (65°F), and minimums can be as low as -18°C (-1°F). Be prepared for a wide range of temperatures and dress accordingly when traveling to Newport during this month.

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 3°C (37°F), with highs reaching up to 18°C (65°F) and lows dropping to around -18°C (-1°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.

March Precipitation in Newport

In Newport in March, the precipitation amount is 76 mm (3.0 in) spread over 14 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 76 mm (3.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec1018676745532722447796109
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 91%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that seeps into your bones, making travel quite uncomfortable and requiring you to dress in layers to stay warm while battling the oppressive mugginess.

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 91%, 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 March generated using information from the Copernicus Climate Change Service.

March UV Index in Newport

In Newport in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the 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 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689997432
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-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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