SeasonMapBest 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 climate comfort by month
| Month | Comfort | Avg high | Rain | Pick of the month |
|---|---|---|---|---|
| January | 71 | 29.9°C | 281 mm | Nuku'alofa 72 |
| February | 67 | 30°C | 325 mm | Nuku'alofa 68 |
| March | 68 | 29.8°C | 280 mm | Vava'u 72 |
| April | 75 | 29.2°C | 192 mm | Nuku'alofa 76 |
| May | 76 | 27.8°C | 156 mm | Vava'u 76 |
| June | 79 | 26.9°C | 114 mm | Nuku'alofa 79 |
| July | 82 | 26.2°C | 82 mm | Vava'u 82 |
| August | 80 | 26°C | 99 mm | Vava'u 82 |
| September | 86 | 26.4°C | 84 mm | Vava'u 87 |
| October | 81 | 27.2°C | 144 mm | Vava'u 81 |
| November | 84 | 28.3°C | 133 mm | Nuku'alofa 84 |
| December | 80 | 29.4°C | 171 mm | Nuku'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.
Tonga month by month
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.