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 May 2012

    National Climate Summary – May 2012: Dry over the South Island; generally sunny & cool.
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    Climate Summary for April 2012

    National Climate Summary – April 2012: Anticyclones abound – dry & sunny for most.
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    Climate Summary for March 2012

    National Climate Summary – March 2012: Continuing cool.
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    Climate Summary for February 2012

    National Climate Summary – February 2012: Extremely cloudy. Cool in eastern areas.
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    Climate Summary for January 2012

    National Climate Summary – January 2012: Unusually cool.
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    Climate Summary for December 2011

    National Climate Summary – December 2011: Wet over North Island and northern South Island.
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    Climate Summary for November 2011

    National Climate Summary – November 2011: Extremely dry north of Taupo; wet over South Island.
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    Climate Summary for October 2011

    National Climate Summary – October 2011: Wet and cloudy for many regions; easterlies prevail.
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    Climate Summary for September 2011

    National Climate Summary – September 2011: Dry, sunny and cool start to spring.
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    Climate Summary for August 2011

    National Climate Summary – August 2011: Snow & sunshine - very dry in north & west.
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    Climate Summary for July 2011

    Lows anchored south of country; freezing polar blast.
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    Climate Summary for June 2011

    The 3rd-warmest June on record, and very gloomy.
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    Climate Summary for May 2011

    Warmest May on record.
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    Climate Summary for April 2011

    Record April rainfall for Hawkes Bay, and cool conditions in eastern areas of both islands.
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    Climate Summary for March 2011

    A mixed-bag start to autumn.
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    Climate Summary for February 2011

    A tale of two islands.
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    Climate Summary for January 2011

    Tropical visitors produce wild weather.
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    Climate Summary for December 2010

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    Climate Summary for November 2010

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    Climate Summary for October 2010

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    Climate Summary for September 2010

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    Climate Summary for August 2010

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    Climate Summary for July 2010

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    Climate Summary for June 2010