Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
December verdict
Bougainville, Papua New Guinea in December
Weather score57Good
Good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 5.1h per day, enough for a balanced month. Rainfall averages 247mm, so showers are a real planning factor.
December weather
Monthly averages
Temp
29°C
Rain
247mm
Sun
5.1h
Sea
30°C
Weather score
57
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 247mm, 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 Bougainville, Papua New Guinea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December29°C average high
December is close to Bougainville's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
December247mm average rain
December is one of the drier months, but average rainfall is still high enough to keep backup plans useful.
Driest monthsJanuary to February, May to June, and November to December
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 Bougainville's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsJanuary, March to June, and August to December
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
December57 weather score
December is close to Bougainville's usual weather score, with limited month-to-month change.
Best weather monthsAll year
The weather score stays consistently strong through the year.