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May Weather in Masterton, New Zealand

Last updated: August 31, 2025

In May, the average temperature in Masterton, New Zealand hovers around 11°C (52°F), with minimums dipping to 0°C (33°F) and maximums reaching up to 19°C (67°F). Expect a precipitation amount of 60 mm (2.3 in) spread over 11 days, contributing to a rather humid atmosphere with an average humidity level of 82%.

May Temperature in Masterton

In May in Masterton, the average temperature is 11°C (52°F). Maximums can reach 19°C (67°F) and minimums can be as low as 0°C (33°F). This mild climate makes it an ideal time for exploring the area's outdoor attractions and enjoying local activities.

May Weather in Masterton: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Masterton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Masterton, May typically has an average temperature of 11°C (52°F), with highs reaching up to 19°C (67°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec626260555249474850535660
Data source: Temperature data for Masterton 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 Masterton

In Masterton in May, the precipitation amount is 60 mm (2.3 in) spread over a total of 11 days.

May Precipitation Trends in Masterton

The chart displays monthly precipitation patterns in Masterton, 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 Masterton, May typically receives around 60 mm (2.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec53618410460102888010286103132
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Masterton

In Masterton in May, humidity is 82%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress in layers and stay prepared for the moisture-laden air as you explore your surroundings.

May Average Humidity in Masterton

This chart illustrates the average monthly humidity levels in Masterton, 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 Masterton is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%76%76%77%82%83%84%81%80%79%78%75%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Masterton

In Masterton in May, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Masterton for better planning.

Maximum UV Index Levels in Masterton for May

The chart shows the monthly maximum UV Index (UVI) for Masterton 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 Masterton typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1313974224691113
Data source: Masterton 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 Masterton Compares to Other Months

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

This table compares monthly weather conditions in Masterton, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)53 mm (2.1 inches)75%extreme
February Weather17°C (63°F)61 mm (2.4 inches)76%extreme
March Weather15°C (60°F)84 mm (3.3 inches)75%very high
April Weather13°C (56°F)104 mm (4.1 inches)77%high
May Weather11°C (52°F)60 mm (2.3 inches)82%moderate
June Weather9°C (49°F)102 mm (4.0 inches)83%low
July Weather8°C (47°F)88 mm (3.5 inches)83%low
August Weather9°C (48°F)80 mm (3.1 inches)81%moderate
September Weather10°C (50°F)102 mm (4.0 inches)80%high
October Weather11°C (53°F)86 mm (3.4 inches)79%very high
November Weather14°C (57°F)103 mm (4.0 inches)78%extreme
December Weather16°C (60°F)132 mm (5.2 inches)75%extreme

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