May Weather in Brightwater, New Zealand

Last updated: August 31, 2025

In May, the average temperature in Brightwater, New Zealand hovers around 8°C (48°F). During this time, temperatures can dip as low as -3°C (28°F) or rise to a pleasant 18°C (64°F). Expect about 125 mm (4.9 in) of precipitation spread over 12 days, contributing to a relatively high average humidity of 84%.

May Temperature in Brightwater

In May in Brightwater, the average temperature is 8°C (48°F). Maximums can reach 18°C (64°F) and minimums can be as low as -3°C (28°F). Be sure to pack layers to stay comfortable during your travels!

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

The chart illustrates May temperature patterns in Brightwater, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brightwater, May typically has an average temperature of 8°C (48°F), with highs reaching up to 18°C (64°F) and lows dropping to around -3°C (28°F).

Data source: Temperature data for Brightwater generated using information from the Copernicus Climate Change Service.

May Precipitation in Brightwater

In Brightwater in May, the total precipitation amount is 125 mm (4.9 in) spread over 12 days.

May Precipitation Trends in Brightwater

The chart displays monthly precipitation patterns in Brightwater, 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 Brightwater, May typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Brightwater

In Brightwater in May humidity is 84%. With an average temperature of 8°C (48°F), this humidity feels like a damp chill that seeps into your bones, making it uncomfortable for traveling and requiring you to layer up as you explore.

May Average Humidity in Brightwater

This chart illustrates the average monthly humidity levels in Brightwater, 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 Brightwater is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Brightwater

In Brightwater 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 Brightwater for better planning.

Maximum UV Index Levels in Brightwater for May

The chart shows the monthly maximum UV Index (UVI) for Brightwater 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 Brightwater typically reaches 4, which falls under the moderate exposure category.

Data source: Brightwater 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 Brightwater Compares to Other Months

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

This table compares monthly weather conditions in Brightwater, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (61°F)	76 mm (3.0 inches)	79%	extreme
February Weather	16°C (60°F)	77 mm (3.0 inches)	79%	extreme
March Weather	14°C (57°F)	115 mm (4.5 inches)	79%	very high
April Weather	11°C (52°F)	126 mm (5.0 inches)	80%	high
May Weather	8°C (48°F)	125 mm (4.9 inches)	84%	moderate
June Weather	6°C (43°F)	65 mm (2.6 inches)	86%	low
July Weather	5°C (42°F)	158 mm (6.2 inches)	86%	low
August Weather	7°C (44°F)	112 mm (4.4 inches)	83%	moderate
September Weather	8°C (46°F)	126 mm (5.0 inches)	83%	high
October Weather	10°C (50°F)	116 mm (4.6 inches)	82%	very high
November Weather	12°C (55°F)	116 mm (4.6 inches)	82%	extreme
December Weather	15°C (59°F)	153 mm (6.0 inches)	81%	extreme