Chatham Island weather in January 2026

Expect daytime maximum temperatures of 20°C in Chatham Island, New Zealand in January based on long-term weather averages. There are 6 hours of sunshine per day on average with 19 days with some rainfall and typically 53 mm of rainfall in the month.

  • 20°C maximum daytime temperature in January in Chatham Island20
    20°C max day temperature
  • 6 hours of sunshine per day
  • 19 days with some rainfall in January in Chatham Island19
    19 days with some rainfall
  • 17°C minimum night-time temperature in January in Chatham Island17
    17°C min night temperature
  • 15 hours of daylight per day in January in Chatham Island15
    15 hours of daylight per day
  • No heat & humidity in January in Chatham Island0
    No heat & humidity
  • 53 mm monthly rainfall in January in Chatham Island53
    53 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in January in Chatham Island10
    10 (Very High) UV index
  • 15°C sea temperature in January in Chatham Island15
    15°C sea temperature

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The January 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 hot is it in Chatham Island in January?

Daytime temperatures usually reach 20°C in Chatham Island in January, falling to 13°C at night.

How sunny is it in Chatham Island in January?

There are normally 8 hours of bright sunshine each day in Chatham Island in January - that's 51% of daylight hours.

How warm is the sea around Chatham Island in January?

The average sea temperature around Chatham Island in January is 16°C.

Does it rain in Chatham Island in January?

There are usually 9 days with some rain in Chatham Island in January and the average monthly rainfall is 80mm.

Chatham Island January sunrise & sunset times

Browse the sunrise and sunset times for Chatham Island in January 2026. Select a month to view Chatham Island sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 04:52 20:17
Friday, 16th January 2026 05:08 20:13
Saturday, 31st January 2026 05:29 20:00

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