May Weather in Eltham, New Zealand

Last updated: August 31, 2025

In May, the average temperature in Eltham, New Zealand is a cool 12°C (55°F). Temperatures can dip as low as 0°C (33°F) and soar to a maximum of 20°C (68°F). Expect about 100 mm (3.9 in) of precipitation spread over 12 days, contributing to an average humidity of 81%. Stay prepared for a blend of chilly days and occasional rainy spells!

May Temperature in Eltham

In May in Eltham, the average temperature is 12°C (55°F). Maximums can reach 20°C (68°F), and minimums can be as low as 0°C (33°F). Be prepared for a mild climate, making it a great time to explore and enjoy outdoor activities.

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

The chart illustrates May temperature patterns in Eltham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Eltham, May typically has an average temperature of 12°C (55°F), with highs reaching up to 20°C (68°F) and lows dropping to around 0°C (33°F).

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

May Precipitation in Eltham

In Eltham in May, the precipitation amount is 100 mm (3.9 in) over the course of 12 days.

May Precipitation Trends in Eltham

The chart displays monthly precipitation patterns in Eltham, 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 Eltham, May typically receives around 100 mm (3.9 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 Eltham

In Eltham in May humidity is 81%. With an average temperature of 12°C (55°F), this humidity feels like a damp blanket enveloping you, making outdoor activities feel heavier and encouraging frequent breaks to hydrate and cool off while traveling.

May Average Humidity in Eltham

This chart illustrates the average monthly humidity levels in Eltham, 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 Eltham is approximately 81%, 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 Eltham

In Eltham 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 Eltham for better planning.

Maximum UV Index Levels in Eltham for May

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

Data source: Eltham 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 Eltham Compares to Other Months

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

This table compares monthly weather conditions in Eltham, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	18°C (64°F)	71 mm (2.8 inches)	79%	extreme
February Weather	18°C (65°F)	65 mm (2.5 inches)	77%	extreme
March Weather	17°C (62°F)	106 mm (4.2 inches)	75%	very high
April Weather	14°C (58°F)	149 mm (5.9 inches)	76%	high
May Weather	12°C (55°F)	100 mm (3.9 inches)	81%	moderate
June Weather	10°C (51°F)	94 mm (3.7 inches)	83%	low
July Weather	10°C (50°F)	144 mm (5.7 inches)	84%	moderate
August Weather	10°C (50°F)	132 mm (5.2 inches)	81%	moderate
September Weather	11°C (52°F)	134 mm (5.3 inches)	80%	high
October Weather	13°C (55°F)	102 mm (4.0 inches)	82%	very high
November Weather	15°C (59°F)	97 mm (3.8 inches)	82%	extreme
December Weather	17°C (63°F)	137 mm (5.4 inches)	80%	extreme