New Zealand Weather & Climate: Monthly Averages

For the most part, New Zealand has a wonderful maritime climate, with mild winters and fairly warm summers. The higher elevations—especially those on the South Island—have more characteristics of a continental climate. On the highest peaks, there is a high mountain climate where both summers and winters are much cooler. Snow can be found on the highest peaks.

Temperature Variations

Summers are pleasantly warm, with maximum temperatures often ranging between 22°C (72°F) and 26°C (79°F) and minimums between 12°C (54°F) and 17°C (63°F).

The winter months are generally mild, with afternoon temperatures averaging between 12°C (54°F) and 15°C (59°F) on the North Island and between 10°C (50°F) and 12°C (54°F) along the coast of the South Island. As you move further south or inland, temperatures generally drop. In both islands' inland areas, freezing temperatures are possible during winter. In the mountain regions, moderate to severe frost with lows of around -10°C (14°F) can occur, particularly in the central part of the South Island.

Rainfall and Sunshine

New Zealand’s average annual rainfall is between 640 mm (25 in) and 1500 mm (59 in), and it is evenly distributed throughout the year. Most places receive over 2000 hours of sunshine annually, with the sunniest areas exceeding 2350 hours.

Best Time to Visit New Zealand

The best time to visit New Zealand is during summer, from December to March. Since the country is in the Southern Hemisphere, the seasons are the opposite of those in Europe. When it is winter in Europe, it is summer in New Zealand.