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

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    Climate summary for June 2017

    Record-dry June for parts of the North Island.
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    Climate summary for May 2017

    Cool and dry for much of the South Island, wet for inland parts of the North Island
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    Climate summary for April 2017

    Tropical moisture brings prolific rainfall to the North Island and eastern South Island.
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    Climate summary for March 2017

    The Tasman Tempest causes a deluge in the upper North Island.
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    Climate summary for February 2017

    Wet for some of the North Island, dry for the South Island.
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    Climate summary for January 2017

    A tempestuous month, cool for many and very dry in the eastern North Island.
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    Climate summary for December 2016

    A dry end to the year with average to below average temperatures.
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    Climate summary for November 2016

    A wet and cloudy month for many.
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    Climate summary for - October 2016

    A wet month for parts of the South Island and eastern North Island, warm in most locations.
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    Climate Summary for September 2016

    A wet month for the North Island, dry for the South Island, and warm almost everywhere.
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    Climate summary for August 2016

    A chilly month for the South Island, rounds of flooding in the North Island.
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    Climate Summary for July 2016

    A mild month overall and dry for eastern areas of the country.
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    Climate summary for June 2016

    The third-warmest June on record, unusually dry and sunny for many.
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    Climate Summary for May 2016

    Warmest May on record and plenty of rain for western regions.
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    Climate Summary for April 2016

    Warm, dry and sunny for most of New Zealand.
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    Climate Summary for March 2016

    Warm month for New Zealand with flooding in the South Island.
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    Climate Summary for February 2016

    This was the second warmest February, and second warmest of any month, on record.
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    Climate Summary for January 2016

    A warm start to the year for the North and wet for many.
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    Climate Summary for December 2015

    An exceptionally dry and sunny December for most of New Zealand.
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    Climate Summary for November 2015

    A dry month for many parts of the country.
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    Climate Summary for October 2015

    A dry month for most and warm for the eastern South Island.
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    Climate Summary for September 2015

    A wet end to the month for eastern North Island.
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    Climate Summary for August 2015

    A cool month in the south and dry in the east.
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    Climate Summary for July 2015

    A dry month for many parts of the country.