On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Climate & Weather

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

  • Winter 2020 – NZ’s warmest winter on record

    Media release
    New Zealand has just experienced its warmest winter on record, according to official NIWA climate data.
  • Northland

    Northland, with its northern location, low elevation and close proximity to the sea is characterised by a mild, humid, and rather windy climate.
  • New Zealand Drought Monitor

    Service
    The New Zealand Drought Monitor is a system for keeping track of drought conditions across New Zealand based on a standardised climate index.
  • Native forests absorbing more carbon dioxide

    Media release
    New Zealand’s forests and other land areas may be absorbing up to 60% more carbon dioxide than has been calculated, with much of this uptake likely occurring in native forests, NIWA scientists have discovered.
  • Daily climate maps

    These climate maps are updated daily and are based on data from our National Climate Database.
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    Mean daily maximum temperatures (°C)

    These datasets are available in a range of formats.
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    National

    National climate maps
  • El Niño maps and charts

    View a collection of maps showing the impact of past El Niño and La Niña events.
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    Map E South

    Education Resource
    The climate of this zone is greatly dependent on the lie of the massive Southern Alps to the west.
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    Map I South

    Education Resource
    The climate of this zone is largely dependent on the lie of the Southern Alps to the west, but many areas are also sheltered by high country to the south and east.
  • Farming and the primary sector

    Farmers are making business decisions everyday which are influenced by environmental factors. We can help farmers to improve decision-making, mitigate farm environment risk, and to become more productive, efficient, competitive and sustainable.
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    The Intergovernmental Panel on Climate Change (IPCC)

    Education Resource
    The Intergovernmental Panel on Climate Change (IPCC) is charged with assessing the most up to date scientific, technical and socio-economic research on climate change.