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March Weather in New Plymouth, United States

Last updated: June 24, 2025

In March, the average temperature in New Plymouth, United States hovers around 8°C (46°F), making it a crisp time of year. While conditions can be quite varied, expect minimum temperatures to dip to -7°C (19°F) and occasionally peak at a pleasant 26°C (79°F). Rainfall is moderate, with 41 mm (1.6 in) expected over approximately 9 days, and the air tends to be quite humid, averaging around 85%.

March Temperature in New Plymouth

In March in New Plymouth, the average temperature is 8°C (46°F), with maximums reaching 26°C (79°F) and minimums dropping as low as -7°C (19°F). It’s essential to pack layers to accommodate the varying temperatures for your travels.

March Weather in New Plymouth: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in New Plymouth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Plymouth, March typically has an average temperature of 8°C (46°F), with highs reaching up to 26°C (79°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec323546536272828069534234
Data source: Temperature data for New Plymouth 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 New Plymouth

In New Plymouth in March, the precipitation amount is 41 mm (1.6 in) spread over 9 days.

March Precipitation Trends in New Plymouth

The chart displays monthly precipitation patterns in New Plymouth, 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 New Plymouth, March typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec4855413134191813203537
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in New Plymouth

In New Plymouth in March humidity is 85%. With an average temperature of 8°C (46°F), this humidity feels like a cold, damp embrace that can leave travelers feeling chilled and uncomfortable, making outdoor exploration less appealing and encouraging the search for cozy indoor activities instead.

March Average Humidity in New Plymouth

This chart illustrates the average monthly humidity levels in New Plymouth, 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 New Plymouth is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%85%79%71%71%66%50%48%65%84%87%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in New Plymouth

In New Plymouth 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 New Plymouth, you can refer to this Hourly UV Index in New Plymouth.

Maximum UV Index Levels in New Plymouth for March

The chart shows the monthly maximum UV Index (UVI) for New Plymouth 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 New Plymouth typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346710111098542
Data source: New Plymouth 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 New Plymouth Compares to Other Months

Weather in New Plymouth varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in New Plymouth, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in New Plymouth, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)48 mm (1.9 inches)88%moderate
February Weather2°C (36°F)55 mm (2.2 inches)89%moderate
March Weather8°C (46°F)41 mm (1.6 inches)85%high
April Weather11°C (53°F)31 mm (1.2 inches)79%high
May Weather17°C (62°F)34 mm (1.3 inches)71%very high
June Weather22°C (72°F)19 mm (0.8 inches)71%extreme
July Weather28°C (83°F)1 mm (0.0 inches)66%very high
August Weather27°C (80°F)8 mm (0.3 inches)50%very high
September Weather20°C (69°F)12 mm (0.5 inches)48%very high
October Weather12°C (53°F)20 mm (0.8 inches)65%moderate
November Weather6°C (42°F)35 mm (1.4 inches)84%moderate
December Weather1°C (34°F)37 mm (1.5 inches)87%low

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