Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
January verdict
Good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 5.9h per day, enough for a balanced month. Rainfall averages 200mm, so showers are a real planning factor.
Monthly averages
Temp
31°C
Rain
200mm
Sun
5.9h
Sea
29°C
Weather score
56
Good
Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Wet
Rainfall averages 200mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.9h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Port Moresby, Papua New Guinea with nearby places by weather score, rain, sun, temperature, and swim conditions.
January31°C average high
January sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJanuary to April and October to December
This stretch sets the upper range for average daytime heat.
January200mm average rain
January is one of Port Moresby's wettest months, so rain is likely to be a major planning factor.
Driest monthsMay to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
January5.9 hours average sun
January is below Port Moresby's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsAugust to November
This stretch has the strongest sunshine in the monthly averages.
January29°C average sea
January is one of Port Moresby's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJanuary to April and December
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
January56 weather score
January 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.