The climate in Rabaul during December can be summarized as hot, humid and very wet.
December is in the summer in Rabaul and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 23°C (73°F) is normal.
|Daytime temperature||30.1°C 86.2°F|
|Nightly temperature||22.9°C 73.2°F|
|Average temperature||26.5°C 79.7°F|
|Daily sunshine||5.4 hrs|
|Avg rainfall||304 mm 12 ins|
|Rainy days||21 days|
|Sea temperature||30°C 86.1°F|
|Windspeed||7.1kph 4 mph|
On average December is the 2nd wettest month of the year in Rabaul with around 304mm 12 inches of rain making it a very wet time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.4 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 Rabaul in December 2022.
|Hottest month:||October||30.3°C 86.5°F|
|Driest month:||May||157mm 6.2ins|
|Coldest month:||July||29.5°C 85.1°F|
|Wettest month:||March||345mm 13.6ins|