Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
June verdict
Good for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 0h per day, so this is not one of the brighter months. Rainfall averages 106mm, so some wet days are possible.
Monthly averages
Temp
27°C
Rain
106mm
Sun
0h
Sea
26°C
Weather score
68
Good
Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 106mm, 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 26°C, which can work for swimming but may feel fresh.
Map
Compare Tonga with nearby places by weather score, rain, sun, temperature, and swim conditions.
June27°C average high
June is on the cooler side of Tonga's year, useful if you prefer less intense daytime heat.
Warmest monthsJanuary to April and December
This stretch sets the upper range for average daytime heat.
June106mm average rain
June sits on the drier side of Tonga's year, which helps with sightseeing and transfers.
Driest monthsJune to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
June0 hours average sun
June is close to Tonga's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
June26°C average sea
June is below Tonga's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJanuary to April and December
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
June68 weather score
June sits close to Tonga's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJuly to December
These months have the strongest weather score in the monthly averages.