Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
December verdict
Port Moresby, Papua New Guinea in December
Weather score63Good
Good for holiday weather
Average highs sit around 32°C, giving warm days by monthly-average standards. Sunshine averages 6.2h per day, enough for a balanced month. Rainfall averages 137mm, so some wet days are possible.
December weather
Monthly averages
Temp
32°C
Rain
137mm
Sun
6.2h
Sea
29°C
Weather score
63
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 137mm, 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 Port Moresby, Papua New Guinea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December32°C average high
December is one of Port Moresby's warmest months, with daytime heat above the yearly average.
Warmest monthsJanuary to April and October to December
This stretch sets the upper range for average daytime heat.
Rain
December137mm average rain
December sits near Port Moresby's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsMay to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December6.2 hours average sun
December sits close to Port Moresby's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsAugust to November
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December29°C average sea
December sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJanuary to April and December
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
December63 weather score
December sits close to Port Moresby's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsMay to November
These months have the strongest weather score in the monthly averages.
