When to go · Tonga
Tonga, month by month
The best months for Tonga: May, Jun, Jul, Aug, Sep, Oct. Months to avoid: Feb.
Month by month
- JanuaryMixedHot, wet and cyclone-prone; diaspora families still visiting after New Year.Tongatapu and 'Eua: rainy · Ha'apai: rainy · Vava'u: rainyCrowds: Medium · 1 festival or holiday
- FebruaryAvoidPeak storm and rain month; boats and flights often disrupted.Tongatapu and 'Eua: storm or typhoon risk · Ha'apai: storm or typhoon risk · Vava'u: storm or typhoon riskCrowds: Low
- MarchMixedStill humid and stormy; cheap if flexible.Tongatapu and 'Eua: storm or typhoon risk · Ha'apai: storm or typhoon risk · Vava'u: storm or typhoon riskCrowds: Low · 1 festival or holiday
- AprilMixedEasing rain; Easter is a very quiet long weekend.Tongatapu and 'Eua: fine · Ha'apai: fine · Vava'u: rainyCrowds: Low · 2 festivals or holidays
- MayGreatDry season begins; yachts start to arrive in Vava'u.Tongatapu and 'Eua: best weather · Ha'apai: best weather · Vava'u: fineCrowds: Low
- JuneGreatCool, dry and clear; whales start to appear late in the month.Tongatapu and 'Eua: best weather · Ha'apai: best weather · Vava'u: best weatherCrowds: Medium · 1 festival or holiday
- JulyGreatWhale season and the Heilala Festival; book flights and whale boats months ahead.Tongatapu and 'Eua: best weather · Ha'apai: best weather · Vava'u: best weatherCrowds: High · 1 festival or holiday
- AugustGreatPeak whale month; dry and cool; Vava'u busiest.Tongatapu and 'Eua: best weather · Ha'apai: best weather · Vava'u: best weatherCrowds: High
- SeptemberGreatMothers and calves in the bays; still dry and busy.Tongatapu and 'Eua: best weather · Ha'apai: best weather · Vava'u: best weatherCrowds: High · 1 festival or holiday
- OctoberGreatLast whales; warmer and quieter; yachts begin to leave.Tongatapu and 'Eua: best weather · Ha'apai: best weather · Vava'u: best weatherCrowds: Medium
- NovemberMixedCyclone season starts; hot, quiet shoulder.Tongatapu and 'Eua: fine · Ha'apai: fine · Vava'u: fineCrowds: Low · 1 festival or holiday
- DecemberMixedChristmas brings home the diaspora: flights full despite the storm season.Tongatapu and 'Eua: rainy · Ha'apai: rainy · Vava'u: rainyCrowds: High · 2 festivals or holidays
Weather by region
How each climate zone rates each month.
| Region | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tongatapu and 'EuaNuku'alofa, the south coast, 'Eua | Wet | Storm | Storm | OK | Best | Best | Best | Best | Best | Best | OK | Wet |
| Ha'apaiLifuka, Foa, Uoleva | Wet | Storm | Storm | OK | Best | Best | Best | Best | Best | Best | OK | Wet |
| Vava'uNeiafu and the island maze | Wet | Storm | Storm | Wet | OK | Best | Best | Best | Best | Best | OK | Wet |
| The NiuasNiuatoputapu, Niuafo'ou | Storm | Storm | Storm | Wet | OK | OK | Best | Best | Best | OK | Wet | Storm |