SeasonMapVava'u (Vavau) weather in December
Tonga
December in Vava'u: warm, soaked, with clean air — fine if you can take 18 rainy days.
#4 of 12 months in Vava'u · #476 of 1383 destinations to visit in December · comfort 80/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Vava'u in December
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Vava'u climate normals — December
| Daytime high | 27°C / 80°F | 🌤 warm |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Sea temperature | 28°C / 82°F | 😎 warm sea |
| Rainfall | 159 mm / 6.3 in | ⛈ soaked |
| Rainy days | 18 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 11.2 h/day | |
| Daylight | 13.2 h | |
| Wind | 28 km/h / 17 mph | |
| Air quality (US AQI) | 32 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Vava'u in December
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Shoulder seasonschool holidays in 4 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Vava'u's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherVava'u's weather peaks September–November.
Best weatherFair weatherToughest weather
What's on in Vava'u in December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Rule
Sunday is closed by law
1 Jan – 31 DecClosuresTonga keeps the Sabbath in law: shops, restaurants and most transport stop on Sunday and commercial trading is not permitted. Resorts feed their own guests; plan a Sunday of church, or of nothing. Source ↗
- Hazard
Cyclone season
1 Nov – 30 AprThe South Pacific season runs November to April, and the same sheltered water that suits the whales is where the charter fleet hides. Thunderstorms and humidity come with it either way. Source ↗
- Season
The empty months
1 Dec – 30 AprOff-season shutdownClosuresBetween December and April few people come and a good number of tour operators and restaurants simply shut. Cheap and very quiet, with the caveat that half of what you came for is not running. Source ↗
Where is Vava'u?
Vava'u in December — FAQ
- Is December a good time to visit Vava'u?
- December in Vava'u: warm, soaked, with clean air — fine if you can take 18 rainy days. It ranks #4 of 12 months for Vava'u on SeasonMap's comfort score (80/100).
- What is the weather like in Vava'u in December?
- In December, Vava'u averages a daily high of 26.9°C and a low of 25.5°C, with about 159 mm of rain over roughly 18.4 rainy days.
- What is the air quality in Vava'u in December?
- Vava'u has a mean US Air Quality Index of about 32 in December.