The climate in Auckland during December can be summarized as warm and a little damp.
December is in the summer in Auckland and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 14°C (58°F) is normal.
Daytime temperature | 21.8°C 71.2°F |
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Nightly temperature | 14.3°C 57.7°F |
Average temperature | 18°C 64.4°F |
Daily sunshine | 7.7 hrs |
Avg rainfall | 89 mm 3.5 ins |
Rainy days | 13 days |
Sea temperature | 18.5°C 65.4°F |
Humidity | 75% |
Windspeed | 11.9kph 7 mph |
On average December is the 5th driest month of the year in Auckland with around 89mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.7 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Auckland in December 2025.
Best places to visit in December
Hottest month: | February | 23.4°C 74.1°F |
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Driest month: | January | 75mm 3ins |
Sunniest month: | February | 7.4hrs |
Coldest month: | July | 14.1°C 57.4°F |
Wettest month: | July | 133mm 5.2ins |