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

#PlaceTypeFeels-like highRainComfortAt its best
1Nuku'alofaIsland23°C70 mm · 9 days83 tier AYes
2Vava'uIsland25°C104 mm · 12 days79 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)

Seasons in force

Better months for Tonga

More about August