Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
Weather Guide
Papua New Guinea Average Monthly Weather
Weather score56Good annual avg
Best months: August, September, June
Across the year, average daytime temperatures are around 30°C, sunshine averages 5.7h per day, and rainfall totals about 2788mm. Sea temperatures average 26°C across the year.
Annual weather
Annual averages
Temp
30°C
Rain
2788mm
Annual total
Sun
5.7h
Sea
26°C
Weather score
56
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 177mm, so some wet days are possible.
Some sun
Sunshine averages 6.1h per day, enough for a balanced month.
Swimmable
Sea temperatures average 25°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Papua New Guinea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August29°C average high
August is close to Papua New Guinea's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
August177mm average rain
August is one of the drier months, but average rainfall is still high enough to keep backup plans useful.
Driest monthsJune to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August6.1 hours average sun
August is close to Papua New Guinea'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
August25°C average sea
August is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to June and October to December
Sea temperatures are usually near 27°C in this stretch, so swimming comfort is at its strongest.
Weather score
August62 weather score
August is one of Papua New Guinea's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsMay to December
These months have the strongest weather score in the monthly averages.