New Zealand weather in August 2025

Expect 12°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in New Zealand in August. Check more long-term weather averages for New Zealand in August before you book your next holiday to New Zealand in 2025/2026.

  • 12°C maximum daytime temperature in August in New Zealand (Wellington)12
    12°C max day temperature
  • 4 hours of sunshine per day
  • 18 days with some rainfall in August in New Zealand (Wellington)18
    18 days with some rainfall
  • 6°C minimum night-time temperature in August in New Zealand (Wellington)6
    6°C min night temperature
  • 11 hours of daylight per day in August in New Zealand (Wellington)11
    11 hours of daylight per day
  • No heat & humidity in August in New Zealand (Wellington)0
    No heat & humidity
  • 136 mm monthly rainfall in August in New Zealand (Wellington)136
    136 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in August in New Zealand (Wellington)2
    2 (Low) UV index
  • 12°C sea temperature in August in New Zealand (Wellington)12
    12°C sea temperature

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The August weather guide for New Zealand (Wellington) 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.

Top New Zealand destinations

Below are average maximum temperatures at popular countries, regions and places in New Zealand in August. Select a holiday destination to see more weather parameters.

All New Zealand destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How warm is it in New Zealand in August?

Daytime temperatures usually reach 12°C in Wellington, New Zealand in August, falling to 6°C at night.

How sunny is it in New Zealand in August?

There are normally 4 hours of bright sunshine each day in Wellington, New Zealand in August - that's 38% of daylight hours.

How warm is the sea around New Zealand in August?

The average sea temperature around Wellington, New Zealand in August is 12°C.

Does it rain in New Zealand in August?

There are usually 18 days with some rain in Wellington, New Zealand in August and the average monthly rainfall is 136mm.

New Zealand August sunrise & sunset times

Browse the sunrise and sunset times for New Zealand in August 2025. Select a month to view New Zealand sunrise and sunset times for the next 12 months. The New Zealand sunrise and sunset times shown below are for Wellington.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 07:29 17:26
Saturday, 16th August 2025 07:10 17:41
Sunday, 31st August 2025 06:48 17:55

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