Chatham Island weather in May 2025

Expect daytime maximum temperatures of 13°C in Chatham Island in May based on long-term weather averages. There are 3 hours of sunshine per day on average with 10 days with some rainfall and typically 90 mm of rainfall in the month.

  • 13°C maximum daytime temperature in May in Chatham Island13
    13°C max day temperature
  • 3 hours of sunshine per day
  • 10 days with some rainfall in May in Chatham Island10
    10 days with some rainfall
  • 9°C minimum night-time temperature in May in Chatham Island9
    9°C min night temperature
  • 10 hours of daylight per day in May in Chatham Island10
    10 hours of daylight per day
  • No heat & humidity in May in Chatham Island0
    No heat & humidity
  • 90 mm monthly rainfall in May in Chatham Island90
    90 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in May in Chatham Island2
    2 (Low) UV index
  • 13°C sea temperature in May in Chatham Island13
    13°C sea temperature

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The May 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 May?

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

How sunny is it in Chatham Island in May?

There are normally 3 hours of bright sunshine each day in Chatham Island in May - that's 26% of daylight hours.

How warm is the sea around Chatham Island in May?

The average sea temperature around Chatham Island in May is 13°C.

Does it rain in Chatham Island in May?

There are usually 10 days with some rain in Chatham Island in May and the average monthly rainfall is 90mm.

Chatham Island May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 07:23 17:33
Friday, 16th May 2025 07:40 17:15
Saturday, 31st May 2025 07:55 17:03

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