Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
Weather Guide
Rabaul, Papua New Guinea Average Monthly Weather
Weather score56Good annual avg
Best months: August, June, September
Across the year, average daytime temperatures are around 30°C, sunshine averages 5.6h per day, and rainfall totals about 2665mm. Sea temperatures average 30°C across the year.
Annual weather
Annual averages
Temp
30°C
Rain
2665mm
Annual total
Sun
5.6h
Sea
30°C
Weather score
56
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 156mm, so some wet days are possible.
Some sun
Sunshine averages 6.2h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Rabaul, Papua New Guinea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August30°C average high
August is close to Rabaul's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
August156mm average rain
August is one of the drier months, but average rainfall is still high enough to keep backup plans useful.
Driest monthsMay to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August6.2 hours average sun
August is close to Rabaul's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsJanuary, March to June, and August to October
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August29°C average sea
August is part of a consistently warm sea-temperature pattern, so swimming comfort changes little through the year.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
Weather score
August62 weather score
August is one of Rabaul's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsMay to November
These months have the strongest weather score in the monthly averages.