Penrhyn weather in October 2025

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

  • 31°C maximum daytime temperature in October in Penrhyn31
    31°C max day temperature
  • 6 days with some rainfall in October in Penrhyn6
    6 days with some rainfall
  • 24°C minimum night-time temperature in October in Penrhyn24
    24°C min night temperature
  • 12 hours of daylight per day in October in Penrhyn12
    12 hours of daylight per day
  • High heat & humidity in October in PenrhynH
    High heat & humidity
  • 143 mm monthly rainfall in October in Penrhyn143
    143 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in October in Penrhyn11
    11+ (Extreme) UV index
  • 29°C sea temperature in October in Penrhyn29
    29°C sea temperature

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The October weather guide for Cook Islands (Penrhyn) 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 Penrhyn in October?

Daytime temperatures usually reach 31°C in Penrhyn in October with high heat and humidity, falling to 24°C at night.

How warm is the sea around Penrhyn in October?

The average sea temperature around Penrhyn in October is 29°C.

Does it rain in Penrhyn in October?

There are usually 6 days with some rain in Penrhyn in October and the average monthly rainfall is 143mm.

Penrhyn October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:16 18:27
Thursday, 16th October 2025 06:08 18:27
Friday, 31st October 2025 06:03 18:29

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