Vava'u weather in August 2025

Q: How hot is it in Vava'u in August?

Daytime temperatures usually reach 26°C in Vava'u in August with low heat and humidity, falling to 21°C at night.

Q: How warm is the sea around Vava'u in August?

The average sea temperature around Vava'u in August is 25°C.

Q: Does it ever rain in Vava'u in August?

There are usually 3 days with some rain in Vava'u in August and the average monthly rainfall is 108mm.

Expect daytime maximum temperatures of 79°F in Vava'u, Tonga in August based on long-term weather averages. There is typically4.3 inches of rainfall in the month.

79
79°F max day temperature
3
3 days with some rainfall
70
70°F min night temperature
11
11 hours of daylight per day
L
Low heat & humidity
4.3
4.3 inches of monthly rainfall
9
9 (Very High) UV index
77
77°F sea temperature

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The August weather guide for Tonga (Vava'u) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

How hot is it in Vava'u in August?

Daytime temperatures usually reach 79°F in Vava'u in August with low heat and humidity, falling to 70°F at night.

How warm is the sea around Vava'u in August?

The average sea temperature around Vava'u in August is 77°F.

Does it ever rain in Vava'u in August?

There are usually 3 days with some rain in Vava'u in August and the average monthly rainfall is 4.3 inches.

Vava'u August sunrise & sunset times

Browse the sunrise and sunset times for Vava'u in August 2025. Select a month to view Vava'u sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Friday, 1st August 2025	07:04	18:21
Saturday, 16th August 2025	06:56	18:25
Sunday, 31st August 2025	06:45	18:28

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Tonga - quick facts
Time difference	UK +13 hours
Language(s)	Tongan, English
Currency	Tongan Pa'anga
Electricity	I plug (240V)
Driving side	Left
Why visit?	Beaches Culture Nature
Tourist info	Tonga Tourism Authority