The north of New Zealand is subtropical and the south temperate. The warmest months are December, January and February, and the coldest June, July and August. In summer, the average maximum temperature ranges between 20-30ºC and in winter between 10-15ºC. You can check on weather conditions in New Zealand on the New Zealand Met Service website.
Recommended Clothing Dress is informal and relaxed on most occasions. Smart casual clothes are acceptable at most restaurants and night-spots. Men are generally not expected to wear suits and ties, except in a few of the top formal bars and restaurants in major cities. In summer a light jacket or sweater should be included in your luggage should the weather turn cooler or you visit higher altitudes. You can expect some rain, so include a light rainproof jacket or coat. If visiting between May and September, pack warm winter garments and layer your clothing.		FAST FACT: The highest temperature ever recorded in New Zealand was 42°C, in Marlborough, Christchurch, and Rangiora (in Canterbury). The lowest temperature ever recorded in New Zealand was —22°C at Ophir, Central Otago.
REGIONAL TEMPERATURES - CLIMATE CHART Mean daily maximum/minimum temperatures in Celsius and Fahrenheit   Spring Sep, Oct, Nov Summer Dec, Jan, Feb Autumn Mar, Apr, May Winter Jun, Jul, Aug Bay of Islands Temp (C) 19/9 25/14 21/11 16/7 Temp (F) 67/48 76/56 70/52 61/45 Rain days 11 7 11 16 Auckland Temp (C) 18/11 24/12 20/13 15/9 Temp (F) 65/52 75/54 68/55 59/48 Rain days 12 8 11 15 Rotorua Temp (C) 17/7 24/12 18/9 13/4 Temp (F) 63/45 75/54 65/48 55/39 Rain days 11 9 9 13 Wellington Temp (C) 15/9 20/13 17/11 12/6 Temp (F) 59/48 68/55 63/52 54/43 Rain days 11 7 10 13 Christchurch Temp (C) 17/7 22/12 18/8 12/3 Temp (F) 63/45 72/54 65/46 54/37 Rain days 7 7 7 7 Queenstown Temp (C) 16/5 22/10 16/6 10/1 Temp (F) 61/41 72/50 61/43 50/34 Rain days 9 8 8 7