Weather in New Zealand for May 2025

In May, New Zealand experiences a transition from autumn to winter, resulting in varied weather patterns across the country.

At the beginning of the month, the North Island typically sees mild temperatures with occasional showers, while the South Island may experience cooler temperatures with the possibility of early snowfall in the Southern Alps.

In the North Island, cities like Auckland and Wellington can expect temperatures around 15° at the start of May, with some crisp mornings and mild afternoons.

Meanwhile, the South Island's Christchurch and Queenstown may experience cooler temperatures around 10° with a chance of frost in the mornings.

As the month progresses, the weather tends to become cooler and more unpredictable. By the end of May, temperatures in the North Island could drop to around 12° with an increase in rainfall, particularly in regions like Taranaki and Hawke's Bay.

In the South Island, cities such as Dunedin and Invercargill may experience temperatures around 8° with a higher likelihood of frost and occasional wintry showers.

Overall, May in New Zealand showcases the transition towards winter, with varying weather conditions depending on the region.

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