Tonga in August
August is one of Tonga's best months (rank 3 of 12): its 2 destinations average 81/100, led by Nuku'alofa at 83 — 23°C and 9 rainy days — while Vava'u trails at 79 with 104 mm of rain.
#3 of 12 months for Tonga · 2 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Tonga in August
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Nuku'alofa | Island | 23°C | 70 mm · 9 days | 83 tier A | Yes |
| 2 | Vava'u | Island | 25°C | 104 mm · 12 days | 79 tier B | — |
Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means August is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.
What's on in Tonga in August
- Humpback season · Nuku'alofa · 1 Jul – 31 Oct (usually)
- Humpback whales · Vava'u · 1 Jul – 15 Oct (usually)