Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
Weather Guide
Vava'u, Tonga Average Monthly Weather
Weather score70Good annual avg
Best months: August, September, October
Across the year, average daytime temperatures are around 28°C, sunshine averages 0h per day, and rainfall totals about 1647mm. Sea temperatures average 27°C across the year.
Annual weather
Annual averages
Temp
28°C
Rain
1647mm
Annual total
Sun
0h
Sea
27°C
Weather score
70
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 58mm, 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 26°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Vava'u, Tonga with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July27°C average high
July 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.
Rain
July58mm average rain
July is one of Vava'u's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJune to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July0 hours average sun
July is close to Vava'u's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
July26°C average sea
July is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to April and December
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
July75 weather score
July scores above Vava'u's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJuly to December
These months have the strongest weather score in the monthly averages.