Vava'u weather in May 2026

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

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

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

The average sea temperature around Vava'u in May is 26°C.

Q: Does it rain in Vava'u in May?

There are usually 9 days with some rain in Vava'u in May and the average monthly rainfall is 102mm.

Expect daytime maximum temperatures of 27°C in Vava'u, Tonga in May based on long-term weather averages. There is typically121 mm of rainfall in the month.

27
27°C max day temperature
9
9 days with some rainfall
22
22°C min night temperature
11
11 hours of daylight per day
M
Moderate heat & humidity
121
121 mm of monthly rainfall
8
8 (Very High) UV index
27
27°C sea temperature

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Recommended for Tonga

The May 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 / mm) | Imperial (°F / inches)