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 ...

Temperature Temperatures were well above average (>1.20°C above average) for Northland, Auckland, much of the Coromandel, the east coast of the North Island, and western Tasman. Above average ...

Probabilities are assigned in three categories: above average, near average, and below average. Temperatures are very likely to be above average (65% chance). Rainfall totals are about equally likely ...

A new NIWA-led study has found that climate change increased the amount of total rainfall during Cyclone Gabrielle by 10%. This additional rain fell during the most intense parts of the storm, ...

A new study from NIWA has mapped outdoor air quality for Invercargill and Alexandra in more detail than ever before. Researchers found that outdoor air in the most polluted locations contained three ...

NIWA’s annual end-of-summer snowline survey has revealed continued loss of snow and ice for New Zealand’s famous glaciers. End of summer snowline survey, Tasman Glacier. The 2023 survey was the 46th ...

A new species has been named after favourite Wellington brewpub Fork and Brewer. NIWA Marine Biologists Rachael Peart (left) and Kareen Schnabel (right) with competition winner, Fork and Brewer's Head ...

NIWA's Crispin Middleton is part of the team monitoring the caulerpa infestation. Photo: Irene Middleton, NIWA. NIWA is part of a multi-agency biosecurity response to an invasive seaweed discovered at ...

NIWA has developed a Photarium using the latest 3D printing technology to more safely identify and measure fish species that live in our waterways. According to Statistics NZ, 76 percent of the 51 ...

NIWA is pleased with the announcement today by the Science, Innovation and Technology Minister of the Government’s response to a recent review of New Zealand’s weather forecasting system. The ...

NIWA is using machine learning to forecast flood inundation in a fraction of the time required to run physical models. NIWA Climate, Atmosphere & Hazards platform manager Nava Fedaeff leads the ...

The newly described Australasian Narrow-nosed Spookfish, Harriotta avia. The Australasian Narrow-nosed Spookfish was described by NIWA Fisheries Scientist Dr Brit Finucci. It was previously thought to ...