La Niña could bring heavy rain or heat domes this summer

Tuesday 19 August 2025 · 2 outlets · 2 reports · updated Tue 19 Aug 2025, 10:00am

In this story Earth Sciences New Zealand, NIWA

Earth Sciences New Zealand says La Niña is emerging as a potential driver for the upcoming summer weather. If it takes control, the country could experience either heavy rainfall or heat domes over the south-east.

How they headlined it

9:50am

1. RNZTue 19 Aug 2025, 9:50am

   If La Niña takes control of summer there could be heavy rain or a 'heat dome' (opens in new tab)

2. Otago Daily TimesTue 19 Aug 2025, 10:00am

   What's in store for summer? La Niña 'emerging as a contender' (opens in new tab)