Port Moresby Weather in December

What's the weather like in Port Moresby (National Capital District) in December 2023?

The climate in Port Moresby during December can be summarized as hot, humid and wet.

December is in the summer in Port Moresby and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 23°C (74°F) is normal.

Port Moresby weather averages (imperial / metric)
Daytime temperature 31.5°C 88.6°F
Nightly temperature 23.2°C 73.7°F
Average temperature 27.3°C 81.1°F
Daily sunshine 6.5 hrs
Avg rainfall 168 mm 6.6 ins
Rainy days 13 days
Sea temperature 28.8°C 83.8°F
Humidity 77%
Windspeed 12.2kph 8 mph

On average December is the 4th wettest month of the year in Port Moresby with around 168mm 6.6 inches of rain making it a wet 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 6.5 hours of sunshine per day.

December temperatures in Port Moresby

Port Moresby average temperature in December

December rainfall

Port Moresby average rain in December

December hourly sunshine

Port Moresby average rain in December

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 Port Moresby in December 2023.

Other monthly averages

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Port Moresby weather stats

Port Moresby weather statistics
Hottest month: December 31.3°C 88.3°F
Driest month: July 40mm 1.6ins
Sunniest month: October 7.6hrs
Coldest month: July 28.6°C 83.5°F
Wettest month: March 248mm 9.8ins
Map showing location of Port Moresby (-9.44314, 147.17972)

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