Swimming in Papua New Guinea in august 2025 Sea temperature by city in august
Do you want to go to the beach in Papua New Guinea in august 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in august in Papua New Guinea by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Papua New Guinea in august 2025
Here, find the average sea temperature in Papua New Guinea in august in several coastal cities.
South in august
78°F
min: 76°F / max: 81°F
Alotau
79°F
min: 78°F / max: 81°F
Daru
79°F
min: 76°F / max: 81°F
Kerema
79°F
min: 77°F / max: 81°F
Momase Region in august
83°F
min: 81°F / max: 85°F
83°F
min: 81°F / max: 84°F
Aitape
84°F
min: 83°F / max: 86°F
Vanimo
85°F
min: 83°F / max: 86°F
Wewak
84°F
min: 83°F / max: 85°F
Islands in august
Kavieng
86°F
min: 84°F / max: 86°F
Rabaul
85°F
min: 83°F / max: 86°F
Arawa
85°F
min: 84°F / max: 86°F
84°F
min: 82°F / max: 86°F
Lorengau
85°F
min: 84°F / max: 87°F
Where should you go swimming in Papua New Guinea in the month of august?
Swimming in Papua New Guinea in august is ideal (in the best case scenario)
In august in Papua New Guinea swimming conditions vary by city. Details below:
In august in Madang, Lae, Kavieng, Rabaul, Aitape, Alotau, Arawa, Kimbe, Lorengau, Vanimo and Wewak, swimming conditions are perfect! With water reaching a maximum of 85°F and an average of 83°F, going in the water (and staying there!) feels great.
As for Port Moresby, Daru and Kerema, swimming is pleasant in august. The sea water is 78°F on average (min: 76°F/max: 81°F) so you can easily spend time in the water.
Where to go swimming in Papua New Guinea in august: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in august
Port Moresby
| August | |||
| Average sea temperature | 78°F | ||
| Minimum sea temperature | 76°F | ||
| Maximum sea temperature | 81°F | ||
| Average outside temperature | 79°F | ||
| Maximum outside temperature | 85°F | ||
| Minimum outside temperature | 76°F | ||
| Precipitation | 5.7in | ||
| Number of days of precipitation | 8 jour(s) (26%) | ||
| Cloud cover | 37% | ||
| Our opinion | pleasant swimming |
More information on swimming in Port Moresby in august
Madang
| August | |||
| Average sea temperature | 83°F | ||
| Minimum sea temperature | 81°F | ||
| Maximum sea temperature | 85°F | ||
| Average outside temperature | 83°F | ||
| Maximum outside temperature | 88°F | ||
| Minimum outside temperature | 77°F | ||
| Precipitation | 9.2in | ||
| Number of days of precipitation | 14 jour(s) (46%) | ||
| Cloud cover | 30% | ||
| Our opinion | ideal swimming |
More information on swimming in Madang in august
Lae
| August | |||
| Average sea temperature | 83°F | ||
| Minimum sea temperature | 81°F | ||
| Maximum sea temperature | 84°F | ||
| Average outside temperature | 74°F | ||
| Maximum outside temperature | 79°F | ||
| Minimum outside temperature | 70°F | ||
| Precipitation | 13.6in | ||
| Number of days of precipitation | 14 jour(s) (46%) | ||
| Cloud cover | 42% | ||
| Our opinion | ideal swimming |
More information on swimming in Lae in august
Kavieng
| August | |||
| Average sea temperature | 86°F | ||
| Minimum sea temperature | 84°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 85°F | ||
| Maximum outside temperature | 85°F | ||
| Minimum outside temperature | 83°F | ||
| Precipitation | 16.9in | ||
| Number of days of precipitation | 19 jour(s) (62%) | ||
| Cloud cover | 41% | ||
| Our opinion | ideal swimming |
Rabaul
| August | |||
| Average sea temperature | 85°F | ||
| Minimum sea temperature | 83°F | ||
| Maximum sea temperature | 86°F | ||
| Average outside temperature | 83°F | ||
| Maximum outside temperature | 85°F | ||
| Minimum outside temperature | 79°F | ||
| Precipitation | 13.8in | ||
| Number of days of precipitation | 17 jour(s) (55%) | ||
| Cloud cover | 35% | ||
| Our opinion | ideal swimming |
List of coastal cities in Papua New Guinea
| Port Moresby in august | pleasant swimming |
| Madang in august | ideal swimming |
| Lae in august | ideal swimming |
| Kavieng in august | ideal swimming |
| Rabaul in august | ideal swimming |
| Aitape in august | ideal swimming |
| Alotau in august | ideal swimming |
| Arawa in august | ideal swimming |
| Daru in august | pleasant swimming |
| Kerema in august | pleasant swimming |
| Kimbe in august | ideal swimming |
| Lorengau in august | ideal swimming |
| Vanimo in august | ideal swimming |
| Wewak in august | ideal swimming |