Climate & Weather

Understanding our variable and changing climate is critical for managing resources and reducing risks.

  • Wellington will get significantly warmer, new climate change report shows

    Media release
    Wellington city will have warmer autumns, almost a month of days over 25°C and up to 10 per cent more winter rain by 2090, according to a new NIWA climate report.
  • Climate change and variability - report for the Greater Wellington Region

  • Climate change will cause more deaths from air pollution, study finds

    Media release
    New research estimates that if climate change goes unchecked 60,000 more people will die globally from air pollution in 2030 – just 13 years away.
  • So far, so stormy

    Media release
    Today’s low came spinning off the coast of Hawke’s Bay funneling strong winds through the Cook Strait and hitting Wellington region with strong winds before moving on to Taranaki and Auckland this afternoon.
  • Climate change scenarios for New Zealand

    Research Project
    Projections of how climate change is likely to affect New Zealand.
  • NZ's warmest and wettest winter on record

    Media release
    NIWA’s climate scientists can now confirm what you may have suspected. After carefully poring through more than a century’s worth of data, it has been officially determined that winter 2022 was Aotearoa New Zealand’s warmest and wettest on record.
  • West Coast

    West Coast is New Zealand’s wettest region, and this may be attributed to its exposure to the predominant westerly airflow over the country, combined with the orographic effect of the Southern Alps.
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    Mean monthly rainfall (mm)

    These datasets are available in a range of formats.
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    Map N South

    Education Resource
    As much of this climate zone is sheltered by high country to the west, south and in some areas to the east, it is the sunniest region of New Zealand.
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    West Coast

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    Climate mapping

    Read about how NIWA can map any aspect of climate to help guide your organisation's response to a changing and variable climate.