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May Weather in New Plymouth, United States

Last updated: June 24, 2025

In May, the average temperature in New Plymouth, United States is a comfortable 17°C (62°F). However, temperatures can fluctuate significantly, with a minimum of 1°C (34°F) and soaring up to a maximum of 37°C (99°F). Expect about 34 mm (1.3 in) of precipitation over 6 days, accompanied by an average humidity of 71%, creating a unique blend of weather conditions for the month.

May Temperature in New Plymouth

In May in New Plymouth, the average temperature is 17°C (62°F). The maximum can reach 37°C (99°F), while the minimum can drop as low as 1°C (34°F). Be prepared for a wide range of temperatures during your travels!

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

The chart illustrates May 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, May typically has an average temperature of 17°C (62°F), with highs reaching up to 37°C (99°F) and lows dropping to around 1°C (34°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.

May Precipitation in New Plymouth

In New Plymouth in May, the total precipitation amount is 34 mm (1.3 in) spread over 6 days.

May Precipitation Trends in New Plymouth

The chart displays monthly precipitation patterns in New Plymouth, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In New Plymouth, May typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec4855413134191813203537
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in New Plymouth

In New Plymouth in May, humidity is 71%. With an average temperature of 17°C (62°F), this humidity feels like a warm embrace that can leave you feeling a bit sticky, making outdoor exploration both refreshing and slightly uncomfortable.

May Average Humidity in New Plymouth

This chart illustrates the average monthly humidity levels in New Plymouth, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in New Plymouth is approximately 71%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in New Plymouth

In New Plymouth in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in New Plymouth.

Maximum UV Index Levels in New Plymouth for May

The chart shows the monthly maximum UV Index (UVI) for New Plymouth in May, 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 May, the maximum UV index in New Plymouth typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346710111098542
Data source: New Plymouth May 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 May 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 May’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 May’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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