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

Monthly

Monthly climate summaries from December 2001 to the present.

Monthly climate summaries from December 2001 to the present.

Issues

  • (no image provided)

    Climate Summary for June 2019

    An unusually dry start to winter.
  • (no image provided)

    Climate Summary for May 2019

    New Zealand’s 3rd-warmest May on record
  • (no image provided)

    Climate Summary for April 2019

    Wet and cool for inland parts of the South Island, variable elsewhere.
  • (no image provided)

    Climate Summary for March 2019

    It was New Zealand’s equal 2nd warmest March on record.
  • (no image provided)

    Climate Summary for February 2019

    Dry for most locations, drought for upper South Island
  • (no image provided)

    Climate Summary for January 2019

    New Zealand’s 3rd warmest January on record.
  • (no image provided)

    Climate Summary for December 2018

    Wet end to the year for the North Island and north-eastern South Island
  • (no image provided)

    Climate Summary for November 2018

    Very wet for eastern and inland parts of the South Island
  • (no image provided)

    Climate Summary for October 2018

    A dry month for much of New Zealand
  • (no image provided)

    Climate Summary for September 2018

    A wet start to spring for some but dry for most
  • (no image provided)

    Climate Summary for August 2018

    A dry end to winter for much of the South Island.
  • (no image provided)

    Climate Summary for July 2018

    A warm mid-winter for most of New Zealand.
  • (no image provided)

    Climate Summary for June 2018

    A dry start to winter for much of the South Island.
  • (no image provided)

    Climate Summary for May 2018

    Warm and dry to start, followed by cooler and unsettled conditions.
  • (no image provided)

    Climate Summary for April 2018

    Two large storms bring destruction to parts of New Zealand
  • (no image provided)

    Climate Summary for March 2018

    The warmth continues everywhere and wetness for some - and the warmest start to the year on record.
  • (no image provided)

    Climate Summary for February 2018

    Two ex-tropical cyclones impact New Zealand
  • (no image provided)

    Climate Summary for January 2018

    January 2018 was New Zealand’s hottest month on record (since 1909) using NIWA’s seven-station series. Dozens of locations observed their record or near-record high mean temperature for January.
  • (no image provided)

    Climate Summary for December 2017

    A very warm and dry month
  • (no image provided)

    Climate Summary for November 2017

    Hot in the south and dry countrywide to end spring
  • (no image provided)

    Climate Summary for October 2017

    A very dry and warm month for the South Island interior
  • (no image provided)

    Climate Summary for September 2017

    A wet month for many and warm on the eastern coasts.
  • (no image provided)

    Climate Summary for August 2017

    A warm end to winter, wet in central and southwestern parts of both Islands, dry for much of the east.
  • (no image provided)

    Climate summary for July 2017

    A tumultuous month with record breaking rainfall for eastern South Island