The climate in Christchurch during December can be summarized as mild and reasonably dry.
December is in the summer in Christchurch and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 21°C (69°F), whilst at night 11°C (51°F) is normal.
|Daytime temperature||20.6°C 69.1°F|
|Nightly temperature||10.8°C 51.4°F|
|Average temperature||15.7°C 60.3°F|
|Daily sunshine||7.5 hrs|
|Avg rainfall||46 mm 1.8 ins|
|Rainy days||11 days|
|Sea temperature||13.5°C 56.2°F|
|Windspeed||14.4kph 9 mph|
On average December is the 3rd driest month of the year in Christchurch with around 46mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.5 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 Christchurch in December 2023.
|Hottest month:||January||21.8°C 71.2°F|
|Driest month:||September||39mm 1.5ins|
|Coldest month:||July||10.5°C 50.9°F|
|Wettest month:||July||72mm 2.8ins|