Papua New Guinea in august: average Weather, Temperature and Climate, Where to go?
Weather in Papua New Guinea in august 2025
In this section, you have access to the weather forecast for august for most popular cities in Papua New Guinea. These datas are probabilities for august from weather reports for many years. The percentage indicates the possibility of having the weather mentioned.
Average weather in august in Port Moresby
good weather UV index: 7
Weather at 6am
76°F
Clear/Sunny
40% of time
36%
11%
8%
Weather at 12pm
85°F
Clear/Sunny
38% of time
31%
26%
4%
Weather at 6pm
77°F
Moderate rain at times
36% of time
25%
22%
16%
Weather at 3am
74°F
36%
35%
16%
8%
More information about the weather in Port Moresby in august
Where to go in Papua New Guinea in august?
Where to go in Papua New Guinea in august: destination map
perfect weather
good
tolerable
bad
very bad
Where to go in each region in august?
| Highlands Region of Papua New Guinea (Goroka, Mendi, Wabag...) | 68°F to 76°F | 17 à 26 days | very bad weather* | |
| Islands (Rabaul, Kavieng, Kimbe...) | 83°F to 88°F | 14 à 27 days | 85°F to 86°F | tolerable weather* |
| Momase Region (Madang, Lae, Vanimo...) | 79°F to 88°F | 12 à 23 days | 83°F to 85°F | tolerable weather* |
| South of Papua New Guinea (Port Moresby, Kiunga, Daru...) | 74°F to 86°F | 8 à 20 days | 79°F | good weather* |
Where should you go in Papua New Guinea in august when it comes to the weather?
Remember:
The climate in Papua New Guinea in august ranges from good to very bad depending on the region and city.
It is not ideal 100%, but the weather in Papua New Guinea that month is, according to seasonal norms, quite good in Port Moresby. I allows to savor vacation in this place. And even why not take a little time to relax under the sun!
If you do not go lazing in the sun, but, for example to discover the heritage, the cities of Rabaul, Goroka, Kavieng and Madang have a decent enough weather for that in august. Finally, we advise you to avoid you get to Kiunga and Lae that month because the climate is pretty unfavorable.
Climate in Papua New Guinea in august
Climate in Port Moresby in august
In the month of august, the mean temperature in Port Moresby is 79°F (maximum temperature is 85°F and minimum temperature is 76°F). The climate is very warm in that area in the month of august. With 5.7in over 8 days, rainfall can happen during your holidays. But this is rather reasonably and it is only of temporary showers.
With a good weather, august is a good time to go in that area.
| August | |||
| Average temperature | 79°F | ||
| Highest temperature | 85°F | ||
| Lowest temperature | 76°F | ||
| Sea temperature | 79°F | ||
| Rainfall | 5.7in | ||
| Number of days with rainfall | 8 day(s) (26%) | ||
| Humidity | 84% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 37% | ||
| Length of day | 11:48 | ||
| Our opinion at whereandwhen.net | good |
Climate in Madang in august
In the month of august, the mean temperature in Madang is 83°F (maximum temperature is 88°F and minimum temperature is 77°F). The climate is very hot in this city in this month. With 9.2in over 14 days, you risk getting wet slightly for your journey. But this is rather moderate and it will not be continuous.
With a correct weather, the month of august is okay (but not the best time) for traveling in that area in Papua New Guinea.
| August | |||
| Average temperature | 83°F | ||
| Highest temperature | 88°F | ||
| Lowest temperature | 77°F | ||
| Sea temperature | 83°F | ||
| Rainfall | 9.2in | ||
| Number of days with rainfall | 14 day(s) (46%) | ||
| Humidity | 83% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 30% | ||
| Length of day | 11:56 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Lae in august
In august, maximum temperature is 79°F and minimum temperature is 70°F (for an average temperature of 74°F). The climate quite good in that locality in the month of august. With 13.6in over 14 days, the weather is rather to rain during your stay. Remember to pack clothes for rain.
With a bad weather, august is not the best time to go there.
| August | |||
| Average temperature | 74°F | ||
| Highest temperature | 79°F | ||
| Lowest temperature | 70°F | ||
| Sea temperature | 83°F | ||
| Rainfall | 13.6in | ||
| Number of days with rainfall | 14 day(s) (46%) | ||
| Humidity | 87% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 42% | ||
| Length of day | 11:53 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Goroka in august
In the month of august, maximum temperature is 76°F and minimum temperature is 59°F (for an average temperature of 68°F). The climate quite pleasant in this city in this month. With 9.5in over 17 days, you risk getting wet slightly throughout your stay. But this is pretty moderate and it is only of temporary showers.
With a correct weather, august is okay (but not good month) for traveling there in Papua New Guinea.
| August | |||
| Average temperature | 68°F | ||
| Highest temperature | 76°F | ||
| Lowest temperature | 59°F | ||
| Rainfall | 9.5in | ||
| Number of days with rainfall | 17 day(s) (55%) | ||
| Humidity | 91% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 41% | ||
| Length of day | 11:55 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Kavieng in august
In the month of august, maximum temperature is 85°F and minimum temperature is 83°F (for an average temperature of 85°F). The climate is burning there in the month of august. With 16.9in over 19 days, you will suffer the rain for your holidays. Consider to pack rain clothes.
With a correct climate, the month of august is okay (but not good time) for traveling in this city.
| August | |||
| Average temperature | 85°F | ||
| Highest temperature | 85°F | ||
| Lowest temperature | 83°F | ||
| Sea temperature | 85°F | ||
| Rainfall | 16.9in | ||
| Number of days with rainfall | 19 day(s) (62%) | ||
| Humidity | 76% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 41% | ||
| Length of day | 12:01 | ||
| Our opinion at whereandwhen.net | tolerable |
All cities in Papua New Guinea in august
| Port Moresby in august | good weather |
| Madang in august | tolerable weather |
| Lae in august | tolerable weather |
| Goroka in august | tolerable weather |
| Kavieng in august | tolerable weather |
| Kiunga in august | bad weather |
| Rabaul in august | tolerable weather |
| Aitape in august | bad weather |
| Alotau in august | good weather |
| Ambunti in august | tolerable weather |
| Arawa in august | very bad weather |
| Daru in august | bad weather |
| Kerema in august | tolerable weather |
| Kimbe in august | tolerable weather |
| Lorengau in august | tolerable weather |
| Mendi in august | very bad weather |
| Popondetta in august | tolerable weather |
| Vanimo in august | good weather |
| Wabag in august | very bad weather |
| Wewak in august | tolerable weather |
Weather data for Papua New Guinea in august:
Weather data for Papua New Guinea in august is derived from an average of the weather forecast since 2009 in Papua New Guinea. There is a margin of error and these forecasts are to be considered as general information only. The weather in Papua New Guinea can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Papua New Guinea.