Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
Weather Guide
Alotau, Papua New Guinea Average Monthly Weather
Weather score61Good annual avg
Best months: November, August, June
Across the year, average daytime temperatures are around 29°C, sunshine averages 6.1h per day, and rainfall totals about 2542mm. Sea temperatures average 28°C across the year.
Annual weather
Annual averages
Temp
29°C
Rain
2542mm
Annual total
Sun
6.1h
Sea
28°C
Weather score
61
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 202mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.5h per day, enough for a balanced month.
Swimmable
Sea temperatures average 27°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Alotau, Papua New Guinea with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July28°C average high
July is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsJanuary to April and October to December
This stretch sets the upper range for average daytime heat.
Rain
July202mm average rain
July sits near Alotau's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsNovember to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July5.5 hours average sun
July is one of Alotau's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsAugust to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
July27°C average sea
July is one of the cooler sea months locally, though the water still averages warm enough for most swimmers.
Warmest seaJanuary to April and December
Sea temperatures are usually near 30°C in this stretch, so swimming comfort is at its strongest.
Weather score
July63 weather score
July sits close to Alotau's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to December
These months have the strongest weather score in the monthly averages.