Climate: New Zealand's maritime climate is temperate with an average of roughly 2000 sunshine hours a year. New Zealand's seasons are the opposite of the northern hemisphere's - summer starts in December, autumn in March, winter in June and spring in September.January and February are the warmest months, with July the coldest.
Overall, the climate is fairly mild with few extremes of temperatures. The average temperature ranges from 15°C in the upper regions of the North Island to 10°C near the bottom of the South Island.
Average temperatures range from 7°C in winter to 16°C in summer, although in many places, summer temperatures can reach the 30s. Annual rainfall varies greatly from less than 40mm in Central Otago to more than 12,000mm in the Southern Alps.
Required clothing:
waterproof light- to mediumwear is needed in the summer months, while warmer clothing is advised in the winter months, especially in the southern and mountainous areas. Take a sweater and an umbrella no matter where you go and what time of year you visit.
Koeppen-Geiger classification:
New Zealand has a Cfb Climate; a temperated humid climate with the warmest month under 22°C, the coldest month between 18 and -3°C and four or more months more than 10°C.
