Home / New ZealandRNZ1 Jul, 2026 06:54 PM3 mins to readEl Nino will strongly influence NZ's weather during spring and into summer. Photo / Getty ImagesEl Nino will strongly influence NZ's weather during spring and into summer. Photo / Getty ImagesBy Kate Newton of RNZEl Nino is officially underway – and could develop into one of the strongest on record.

Earth Sciences New Zealand (ESNZ) has followed counterparts in Australia, Japan and the US in declaring an El Nino event, in its seasonal climate outlook

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