Best time to visit Tonga

The best time to visit Tonga is July, September and November, when its 2 destinations average 86/100 for climate comfort — February is the weakest month, at 67/100.

Updated September 2026 · averaged over 2 Tonga destinations · climate normals from ERA5 reanalysis

🇹🇴 Tonga, month by month

best September
  1. 71Jan
  2. 67Feb
  3. 68Mar
  4. 75Apr
  5. 76May
  6. 79Jun
  7. 82Jul
  8. 80Aug
  9. 86Sep
  10. 81Oct
  11. 84Nov
  12. 80Dec
Average comfort out of 100 · open a month for where to go in it

Tonga climate comfort by month

MonthComfortAvg highRainPick of the month
January7129.9°C281 mmNuku'alofa 72
February6730°C325 mmNuku'alofa 68
March6829.8°C280 mmVava'u 72
April7529.2°C192 mmNuku'alofa 76
May7627.8°C156 mmVava'u 76
June7926.9°C114 mmNuku'alofa 79
July8226.2°C82 mmVava'u 82
August8026°C99 mmVava'u 82
September8626.4°C84 mmVava'u 87
October8127.2°C144 mmVava'u 81
November8428.3°C133 mmNuku'alofa 84
December8029.4°C171 mmNuku'alofa 80

Comfort is SeasonMap's 0–100 score, averaged across every Tonga destination in the dataset. Each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. Averages from ERA5 reanalysis normals, not forecasts.

All 2 destinations in Tonga

Tonga — FAQ

When is the best time to visit Tonga?
July, September and November. Across Tonga's 2 destinations, September averages 86/100 for climate comfort with mean highs of 26.4°C and 84 mm of rain.
What is the worst month to visit Tonga?
February, averaging 67/100 — mean highs of 30°C and 325 mm of rain across the country's destinations.
What is the hottest month in Tonga?
February, with mean daily highs of 30°C averaged across 2 destinations.
What is the wettest month in Tonga?
February, averaging 325 mm of rain.