Average monthly water temperature in Rabaul, Papua New Guinea
On this page you find the mean water temperature over the year in Rabaul (), Papua New Guinea. Understand how water temperatures vary throughout the year.
Water temperatures in Rabaul remain warm year-round, perfect for aquatic activities. The warmest month, January, has an average temperature of 29°C (84°F).
The coolest water temperature month is May, averaging 28°C (82°F). Whether you’re swimming or just enjoying the water, Rabaul offers ideal conditions year-round.
Rabaul Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rabaul - and find the best time to visit.
Rabaul 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Rabaul climate overview or explore weather in Papua New Guinea.
Popular this month
Where to go in September - average daytime high across popular destinations.
Rabaul
29°C (84°F) Madang30°C (86°F) Port Moresby
30°C (86°F) Kokopo29°C (84°F) Alotau28°C (82°F) Lae27°C (81°F) Goroka24°C (75°F) Mount Hagen22°C (72°F) 
