Chatham Island weather in October 2025

Expect 13°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Chatham Island in October based on long-term weather averages. There is usually 4 days with some rainfall and 56 mm of average monthly rainfall in October.

  • 13°C maximum daytime temperature in October in Chatham Island13
    13°C max day temperature
  • 4 hours of sunshine per day
  • 4 days with some rainfall in October in Chatham Island4
    4 days with some rainfall
  • 9°C minimum night-time temperature in October in Chatham Island9
    9°C min night temperature
  • 13 hours of daylight per day in October in Chatham Island13
    13 hours of daylight per day
  • No heat & humidity in October in Chatham Island0
    No heat & humidity
  • 56 mm monthly rainfall in October in Chatham Island56
    56 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in October in Chatham Island5
    5 (Moderate) UV index
  • 11°C sea temperature in October in Chatham Island11
    11°C sea temperature

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The October weather guide for New Zealand (Chatham Island) 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 warm is it in Chatham Island in October?

Daytime temperatures usually reach 13°C in Chatham Island in October, falling to 9°C at night.

How sunny is it in Chatham Island in October?

There are normally 4 hours of bright sunshine each day in Chatham Island in October - that's 33% of daylight hours.

Is the sea cold around Chatham Island in October?

The average sea temperature around Chatham Island in October is 11°C.

Does it rain in Chatham Island in October?

There are usually 4 days with some rain in Chatham Island in October and the average monthly rainfall is 56mm.

Chatham Island October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:04 18:38
Thursday, 16th October 2025 05:38 18:57
Friday, 31st October 2025 05:14 19:16

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