Mild
Average highs are around 26°C, so days are mild rather than hot.
August verdict
Very good for holiday weather
Average highs are around 26°C, so days are mild rather than hot. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 81mm, so some wet days are possible.
Monthly averages
Temp
26°C
Rain
81mm
Sun
0h
Sea
24°C
Weather score
70
Very good
Mild
Average highs are around 26°C, so days are mild rather than hot.
Showers
Rainfall averages 81mm, so some wet days are possible.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 24°C, which can work for swimming but may feel fresh.
Map
Compare Tongatapu, Tonga with nearby places by weather score, rain, sun, temperature, and swim conditions.
August26°C average high
August is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsJanuary to April and December
This stretch sets the upper range for average daytime heat.
August81mm average rain
August sits on the drier side of Tongatapu's year, which helps with sightseeing and transfers.
Driest monthsMay to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August0 hours average sun
August is close to Tongatapu's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
August24°C average sea
August is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to April
Sea temperatures are usually near 27°C in this stretch, so swimming comfort is at its strongest.
August70 weather score
August sits close to Tongatapu's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsSeptember to December
These months have the strongest weather score in the monthly averages.