Manihiki weather in May 2025

Expect 31°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Manihiki in May. Check more long-term weather averages for Manihiki in May before you book your next holiday to Cook Islands in 2025/2026.

  • 31°C maximum daytime temperature in May in Manihiki31
    31°C max day temperature
  • 9 days with some rainfall in May in Manihiki9
    9 days with some rainfall
  • 25°C minimum night-time temperature in May in Manihiki25
    25°C min night temperature
  • 12 hours of daylight per day in May in Manihiki12
    12 hours of daylight per day
  • High heat & humidity in May in ManihikiH
    High heat & humidity
  • 149 mm monthly rainfall in May in Manihiki149
    149 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in May in Manihiki10
    10 (Very High) UV index
  • 29°C sea temperature in May in Manihiki29
    29°C sea temperature

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The May weather guide for Cook Islands (Manihiki) 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Manihiki in May?

Daytime temperatures usually reach 31°C in Manihiki in May with high heat and humidity, falling to 25°C at night.

How warm is the sea around Manihiki in May?

The average sea temperature around Manihiki in May is 29°C.

Does it rain in Manihiki in May?

There are usually 9 days with some rain in Manihiki in May and the average monthly rainfall is 149mm.

Manihiki May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 06:49 18:33
Friday, 16th May 2025 06:52 18:29
Saturday, 31st May 2025 06:55 18:29

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