Chatham Island weather in January 2025

Expect 20°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Chatham Island in January. Check more long-term weather averages for Chatham Island in January before you book your next holiday to New Zealand in 2025/2026.

  • 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 17°C at night.

How sunny is it in Chatham Island in January?

There are normally 6 hours of bright sunshine each day in Chatham Island in January - that's 39% of daylight hours.

How warm is the sea around Chatham Island in January?

The average sea temperature around Chatham Island in January is 15°C.

Does it rain in Chatham Island in January?

There are usually 19 days with some rain in Chatham Island in January and the average monthly rainfall is 53mm.

Chatham Island January sunrise & sunset times

Browse the sunrise and sunset times for Chatham Island in January 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 January 2025 05:52 21:17
Thursday, 16th January 2025 06:09 21:13
Friday, 31st January 2025 06:29 21:00

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