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Information about our varying climate is critical for managing resources and reducing risks.
NIWA's National Climate Centre offers a range of commercial consultancy services to government, businesses and individuals.
NatHERS climate files 2012
Obtaining climate data from NIWA
Virtual Climate Stations
Climate information and resources
At NIWA we believe knowledge is there to be shared, which is why we make as much information as we can publicly available.
El Niño and La Niña
Climate variability and change
NZ temperature record
Urban Impacts Toolbox
Climate and Māori Society
Climate research projects
Find out more about some of our climate-related work.
Adaptation to climate variability and change
Climate and electricity system
Climate change and urban impacts
Climate Present and Past
Coastal adaptation to climate change
Daily climate maps
Median annual rainfall
National and regional climate maps
Maps of average annual rainfall, temperature and other climate variables have been produced for all of New Zealand, based on the period 1981–2010.
Climate change scenarios for New Zealand
Projections of how climate change is likely to affect New Zealand.
Overview of New Zealand's climate
Find information about New Zealand's temperature record and climate change in our information and resources section.
Information about the NZ temperature record.
Accessing Free Climate Data
El Niño Southern Oscillation
Climate Information for Schools
Annual Climate Summary
Is La Niña in our future or not?
16 September 2016
And... what would that mean for New Zealand?
Winter is coming – again
6 September 2016
NIWA forecasters believe that winter will return with a vengeance from tomorrow.
Ready, set, go – it’s time for a warm leap into spring
30 August 2016
It’s time to close the door on winter – spring will be here on Thursday bearing gifts of warm winds and sunshine for September.
Snow trends 18th August
18 August 2016
After one of the most tranquil weeks of the season, winter returns to the South Island this weekend, delivering some fresh powder—music to the ears of the country’s snow hounds.
12 August 2016
After the coldest and snowiest stretch of winter last week, there’s some settled weather in the forecast for anyone heading to the ski slopes.