Tonga in August
August is Tonga's 5th-best month (rank 5 of 12): its 2 destinations average 80/100, led by Vava'u at 82 — 27°C and 12 rainy days — while Nuku'alofa trails at 78 with 103 mm of rain.
#5 of 12 months for Tonga · 2 destinations · updated September 2026 · climate normals from ERA5 reanalysis
🇹🇴 Tonga, month by month
80/100 in AugustWhere in Tonga in August
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 whales · Vava'u · 1 Jul – 15 Oct (usually)
- Humpback season · Nuku'alofa · 1 Jul – 31 Oct (usually)