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 66mm, which is relatively low for holiday planning.
Monthly averages
Temp
26°C
Rain
66mm
Sun
0h
Sea
24°C
Weather score
72
Very good
Mild
Average highs are around 26°C, so days are mild rather than hot.
Drier
Rainfall averages 66mm, which is relatively low for holiday planning.
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 Mangaia, Cook Islands 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 May and December
This stretch sets the upper range for average daytime heat.
August66mm average rain
August is one of Mangaia's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJune to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August0 hours average sun
August is close to Mangaia'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.
August72 weather score
August sits close to Mangaia's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune and August to December
These months have the strongest weather score in the monthly averages.