Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
December verdict
Rabaul, Papua New Guinea in December
Weather score50Mixed
Mixed for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 5.1h per day, enough for a balanced month. Rainfall averages 322mm, so showers are a real planning factor.
December weather
Monthly averages
Temp
30°C
Rain
322mm
Sun
5.1h
Sea
30°C
Weather score
50
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 322mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.1h per day, enough for a balanced month.
Warm sea
Sea temperatures average 30°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
December30°C average high
December 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
December322mm average rain
December is wetter than Rabaul's yearly average, so flexible plans matter more.
Driest monthsMay to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December5.1 hours average sun
December 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
December30°C average sea
December 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
December50 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsMay to November
These months have the strongest weather score in the monthly averages.