Mangaia weather in May 2025

Expect 81°F daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Mangaia in May. Check more long-term weather averages for Mangaia in May before you book your next holiday to Cook Islands in 2025/2026.

81
81°F max day temperature
9
9 days with some rainfall
70
70°F min night temperature
11
11 hours of daylight per day
M
Moderate heat & humidity
7.0
7.0 inches of monthly rainfall
7
7 (High) UV index
79
79°F sea temperature

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The May weather guide for Cook Islands (Mangaia) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

How hot is it in Mangaia in May?

Daytime temperatures usually reach 81°F in Mangaia in May with moderate heat and humidity, falling to 70°F at night.

How warm is the sea around Mangaia in May?

The average sea temperature around Mangaia in May is 79°F.

Does it rain in Mangaia in May?

There are usually 9 days with some rain in Mangaia in May and the average monthly rainfall is 7.0 inches.

Mangaia May sunrise & sunset times

Browse the sunrise and sunset times for Mangaia in May 2025. Select a month to view Mangaia sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Thursday, 1st May 2025	06:50	18:07
Friday, 16th May 2025	06:57	17:59
Saturday, 31st May 2025	07:03	17:56

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Cook Islands - quick facts
Time difference	UK -10 hours
Language(s)	English, Maori
Currency	Cook Islands Dollar, New Zealand Dollar
Electricity	I plug (240V)
Driving side	Left
Why visit?	Beaches
Tourist info	Cook Islands Tourism