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.

  • 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.
  • 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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    Mean monthly temperatures (°C)

    These datasets are available in a range of formats.
  • Tropical Cyclone Hamish

    Southwest Pacific Tropical Cyclone Outlook

    Publication series
    A summary of up-coming tropical cyclone seasons, issued 6-monthly.
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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.
  • Sea-level rise

    Education Resource
    One of the major consequences of climate change is rising global sea levels.
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    Floods

    Education Resource
    River floods occur when water spills from a river channel onto land that is normally dry, and are one of New Zealand's costliest natural hazards.