Regional predictions for June – August 2025 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 ...

Overview 2024 was Aotearoa New Zealand’s 10th-warmest year on record. The 2024 nationwide average temperature calculated from NIWA’s seven station series was 13.25˚C, being 0.51˚C above the 1991-2020 ...

Disclaimer: The forecasts offered in this page draw upon modified Copernicus Climate Change Service Information [2022] (C3S, https://climate.Copernicus.eu). There is inherent uncertainty in ...

November 2024 was characterised by a large belt of higher-than-normal mean sea level pressure that straddled Aotearoa New Zealand and the surrounding seas. This pressure setup resulted in a relatively ...

Microbes - such as those living in wetlands, landfills or the digestive tracts of livestock – are behind unprecedented spikes in methane emissions, according to new research from the University of ...

Impact Assessment Tool map view of results with all layers enabled. The planning and recovery tool provides scenario and probabilistic model frameworks for risk assessment of cyclone-related hazards ...

Tropical cyclone outlook summary for New Zealand On average, at least one ex-TC passes within 550 km of New Zealand each year. This season, the risk is considered normal-elevated. If an ex-TC tracks ...

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 ...

Scientists have found a new ghost shark that lives exclusively in the deep waters of Australia and New Zealand. The Australasian Narrow-nosed Spookfish was described by NIWA Fisheries Scientist Dr ...