Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
Weather Guide
Namatanai, Papua New Guinea Average Monthly Weather
Weather score53Mixed annual avg
Best months: September, June, November
Across the year, average daytime temperatures are around 30°C, sunshine averages 5.5h per day, and rainfall totals about 3244mm. Sea temperatures average 30°C across the year.
Annual weather
Annual averages
Temp
30°C
Rain
3244mm
Annual total
Sun
5.5h
Sea
30°C
Weather score
53
Mixed avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 268mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.1h 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 Namatanai, Papua New Guinea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August30°C average high
August is close to Namatanai's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
August268mm average rain
August sits near Namatanai's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsMay to July and September 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 Namatanai'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
August55 weather score
August is close to Namatanai's usual weather score, with limited month-to-month change.
Best weather monthsAll year
The weather score stays consistently strong through the year.