Climate & Weather

Wellington city will have warmer autumns, almost a month of days over 25°C and up to 10 per cent more winter rain by 2090, according to a new NIWA climate report.

New research estimates that if climate change goes unchecked 60,000 more people will die globally from air pollution in 2030 – just 13 years away.

Today’s low came spinning off the coast of Hawke’s Bay funneling strong winds through the Cook Strait and hitting Wellington region with strong winds before moving on to Taranaki and Auckland this afternoon.

Sea surface temperatures in the southern Tasman Sea rose to exceptionally high levels in late 2017 and early 2018. These temperatures were far above any others previously observed at that time of year in the region, and extended west from New Zealand to Tasmania and mainland southeast Australia.

Ideas for projects using climate data

View annual, seasonal and monthly summaries of temperature, rainfall and sunshine data from across New Zealand.

These datasets are available in a range of formats.

This project demonstrates how to assess high value alternative land-use options by means of a quantitative analysis of the growing potential of selected niche crops and tree species.

NIWA collects wave data, develops and verifies wave forecasting systems, and is developing and producing wave projections.

There are several definitions of drought, depending upon whether it is viewed as a hazard or a risk.