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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Brief Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
December in New Zealand marks the start of summer, bringing longer daylight hours and generally warm conditions, though regional variations are significant. The live forecast above shows the current pattern: expect mild to hot days, especially in the North Island, with cooler temperatures and possible rain in the South Island.
What is the weather like in New Zealand in December?
December delivers average highs of 20–25°C in the North Island and 17–22°C in the South Island, with overnight lows around 10–15°C. The south island new zealand weather december tends to be cooler and drier in many alpine areas, while north island cities like Auckland and Wellington enjoy settled, humid conditions. The weather new zealand december north island often includes afternoon sea breezes and occasional thunderstorms.
How does weather vary between North and South Island?
The auckland new zealand weather december is typically warm and humid, with average temperatures of 20–24°C and moderate rainfall. In contrast, areas like Queenstown and Christchurch experience drier, sunnier days but cooler nights. If you’re planning ahead, the weather in new zealand in january will be similarly warm, while weather new zealand november offers spring conditions with more variable weather. Coastal regions see sea temperatures around 18–20°C, perfect for swimming.
Is December a good time to visit New Zealand?
Yes, December kicks off summer with warm, sunny days and long evenings. It’s ideal for outdoor activities, though be aware of school holiday crowds from mid-December. Pack layers for cooler nights, especially in the South Island.
What should I pack for New Zealand in December?
Light clothing, a jacket for evenings, rain jacket, sturdy walking shoes, sunscreen, and insect repellent. Temperatures range from 10°C to 26°C, so versatility is key. The new zealand weather in december celsius range can vary widely by region.
Does New Zealand experience severe weather in December?
While generally settled, occasional thunderstorms or heavy rain can occur. Check our Severe Weather Warning page for updates. The risk of cyclones is very low in December – that peaks later in summer.
Sources
For the latest conditions across the country, refer to the live forecast above or visit our Australia weather hub for nearby regions. You can also explore 10-day forecasts for travel planning. For data standards, see our Sources & standards page.