Papua New Guinea weather in December

Many people wonder what kind of weather they can expect in December in Papua New Guinea. Is this month a good time to go to Papua New Guinea? To answer that question we created this page with all the information you need.

What is the weather like in Papua New Guinea in December?

The weather conditions in Papua New Guinea in December vary from poor to pleasant depending on the destination.

During December in Papua New Guinea, the average maximum temperature varies from high in Sideia with 28°C (82°F) to very high in Port Moresby with 32°C (89°F). These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

Precipitation in December varies from heavy in Sideia with an average of 174mm (6.8 inches) of rainfall to heavy in Madang with 399mm (16 inches). It is also generally a sunny time of year with an average of 218 hours of sunshine in Port Moresby during the entire month.

We invite you to have a look at the map below to discover more about the various weather conditions around Papua New Guinea.

Where to go in Papua New Guinea in December

Find the average weather conditions in December for the most popular destinations in Papua New Guinea on the map below. Click on a destination dot for more detailed information.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inches a month).

Popular destinations in Papua New Guinea

What is the weather like in December for the 5 most popular destinations in Papua New Guinea?

Average weather in Port Moresby

In December Port Moresby generally has very high temperatures with maximum daytime temperatures around 32°C (89°F), minimum nighttime temperatures around 17°C (63°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Port Moresby
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
32°C / 89°F 
17°C / 62°F 
244 hours 
195mm / 7.7" 
16 days 
32°C / 89°F 
17°C / 63°F 
218 hours 
273mm / 11" 
19 days 
poor 
January   >> January
>>  
31°C / 88°F 
17°C / 63°F 
185 hours 
330mm / 13" 
23 days 
poor 
Climate in Port Moresby

Average weather in Madang

In December Madang generally has high temperatures with maximum daytime temperatures around 29°C (83°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Madang
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
28°C / 83°F 
25°C / 77°F 
195 hours 
311mm / 12" 
20 days 
poor 
29°C / 83°F 
25°C / 77°F 
167 hours 
399mm / 16" 
22 days 
poor 
January   >> January
>>  
29°C / 83°F 
25°C / 77°F 
155 hours 
373mm / 15" 
23 days 
poor 
Climate in Madang

Average weather in Kokopo

In December Kokopo generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 19°C (66°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Kokopo
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
29°C / 85°F 
19°C / 66°F 
174 hours 
283mm / 11" 
21 days 
poor 
29°C / 84°F 
19°C / 66°F 
167 hours 
334mm / 13" 
22 days 
poor 
January   >> January
>>  
29°C / 84°F 
19°C / 67°F 
195 hours 
296mm / 12" 
23 days 
poor 
Climate in Kokopo

Average weather in Lae

In December Lae generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 20°C (68°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Lae
Max temperature Max temp
Min temperature Min temp
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
30°C / 86°F 
20°C / 68°F 
217mm / 8.5" 
19 days 
poor 
30°C / 86°F 
20°C / 68°F 
299mm / 12" 
20 days 
poor 
January   >> January
>>  
30°C / 86°F 
21°C / 69°F 
316mm / 12" 
20 days 
poor 
Climate in Lae

Average weather in Mount Hagen

In December Mount Hagen generally has very high temperatures with maximum daytime temperatures around 31°C (87°F), minimum nighttime temperatures around 13°C (56°F) and heavy monthly rainfall. So on average the conditions are poor that month.

Mount Hagen
Max temperature Max temp
Min temperature Min temp
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
31°C / 88°F 
13°C / 55°F 
201mm / 7.9" 
22 days 
poor 
31°C / 87°F 
13°C / 56°F 
270mm / 11" 
23 days 
poor 
January   >> January
>>  
31°C / 87°F 
14°C / 56°F 
250mm / 9.8" 
24 days 
poor 
Climate in Mount Hagen

Is your destination not in the list? Have a look at other destinations in Papua New Guinea.

Is December the best time to go to Papua New Guinea?

In our opinion December is not the best time to visit Papua New Guinea with commonly poor weather in Port Moresby.

On average the best time to visit Papua New Guinea is in July with generally pleasant weather in Port Moresby. The worst months are January, February, March, April, October and December that can have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Papua New Guinea. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for almost all countries in the world. Are you going to Papua New Guinea? Get detailed historical weather averages for many cities in Papua New Guinea.

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