Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
January verdict
Manus, Papua New Guinea in January
Weather score51Mixed
Mixed 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 292mm, so showers are a real planning factor.
January weather
Monthly averages
Temp
31°C
Rain
292mm
Sun
5.9h
Sea
30°C
Weather score
51
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 292mm, 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 30°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Manus, Papua New Guinea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
January31°C average high
January is one of Manus' warmest months, with daytime heat above the yearly average.
Warmest monthsJanuary to April and June to December
This stretch sets the upper range for average daytime heat.
Rain
January292mm average rain
January sits near Manus' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to February, May, and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
January5.9 hours average sun
January is brighter than Manus' yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJanuary, April, and August to September
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
January30°C average sea
January 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
January51 weather score
January is close to Manus' usual weather score, with limited month-to-month change.
Best weather monthsAll year
The weather score stays consistently strong through the year.