New research led by Earth Sciences New Zealand reveals that more than 750,000 New Zealanders live in locations exposed to flooding from one-in-100-year rainfall flooding events. And this number could ...

The tables below show the probabilities (or percent chances) for each of three categories: above average, near average, and below average. In the absence of any forecast guidance there would be an ...

The tables below show the probabilities (or percent chances) for each of three categories: above average, near average, and below average. In the absence of any forecast guidance there would be an ...

Temperature 2025 was New Zealand’s 4th-warmest year on record, based on Earth Sciences New Zealand’s seven station series which begins in 1909. Annual temperatures were above average (0.51-1.20°C ...

Air flow patterns are expected to tend towards a west or southwesterly flow anomaly, characteristic of El Niño conditions, as the season progresses. June may behave as a transitional month, and the ...

Temperature Temperatures were below average (0.51-1.20°C below average) for southwestern Waikato, Taranaki, Manawatū-Whanganui, Kāpiti Coast, Nelson, much of Marlborough, northeastern Canterbury, and ...

Earth Sciences New Zealand meteorologists are anticipating a significant El Niño influence on weather patterns across the country from winter onwards, potentially bringing reduced rainfall for some ...

Seasonal air temperatures for May – July 2026 are about equally likely to be near average or below average in the South Island and the west of the North Island, and near average in the north and east ...

Our assessment of tropical cyclone (TC) activity for the coming season indicates normal to below normal activity. [Tropical cyclones are categorised in strength from 1 to 5, with 5 being most intense.

El Niño conditions have now been reached in the tropical Pacific atmosphere and ocean, according to criteria assessed by Earth Sciences New Zealand. The event remains in its early stages; impacts on ...

New Zealand’s newest and largest supercomputer has produced its first weather forecast. Science, Innovation and Technology Minister Shane Reti was there to celebrate the milestone and to help deliver ...