Tonga, TongaQuick decision
When to visit Tonga?
🌞 Best time overall
June
🌡️ Optimal temperature
22°C–25°C in June
🌧 Least rain
36% rainy days in June
🌧 Wettest month
February (86%)
📅 Best score
7.8/10
By trip type
Best time by type of trip
Humpback whalesJul–Oct — swimming with whales, Ha'apai and Vava'u.
Ha'apai beachesMay–Oct — deserted atolls, white sand, snorkeling.
Polynesian cultureYear-round — Pacific's last kingdom, dance, kava.
BudgetMay–Jun — early season, affordable family lodges.
Monthly climate data
Tonga weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ⛅ January | 25°C | 28°C | 75% | 8.1 | 12.2h | 7.3/10 |
| 🌦️ February | 25°C | 28°C | 86% | 11.1 | 12.0h | 7.1/10 |
| ⛅ March | 25°C | 28°C | 72% | 9.7 | 11.2h | 7.3/10 |
| 🌤️ April | 24°C | 27°C | 53% | 5.6 | 11.0h | 7.6/10 |
| 🌤️ May | 23°C | 25°C | 46% | 5.1 | 10.7h | 7.5/10 |
| 🌤️ June | 22°C | 25°C | 36% | 3.1 | 10.3h | 7.8/10 |
| 🌤️ July | 21°C | 24°C | 34% | 2.9 | 10.3h | 7.7/10 |
| 🌤️ August | 21°C | 23°C | 39% | 3.6 | 10.6h | 7.6/10 |
| 🌤️ September | 21°C | 24°C | 42% | 2.7 | 11.0h | 7.7/10 |
| 🌤️ October | 22°C | 25°C | 51% | 4.7 | 11.5h | 7.5/10 |
| 🌤️ November | 23°C | 26°C | 59% | 4.6 | 12.8h | 7.6/10 |
| ⛅ December | 24°C | 27°C | 65% | 6.4 | 13.0h | 7.5/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
🌴 Tropical destination — heavy rain months benefit from an algorithmic adjustment: tropical showers are intense but brief and usually don't ruin a trip.
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Good time
Average 27°C, 57% rainy days, 11.0h sunshine/day. Score: 7.5/10.
☀️ Summer (Jun–Aug) — Good time
Average 24°C, 36% rainy days, 10.4h sunshine/day. Score: 7.7/10.
🍂 Autumn (Sep–Nov) — Good time
Average 25°C, 51% rainy days, 11.8h sunshine/day. Score: 7.6/10.
❄️ Winter (Dec–Feb) — Good time
Average 28°C, 75% rainy days, 12.4h sunshine/day. Score: 7.3/10.
Accommodation
Find a place to stay in Tonga
Check availability during the recommended period
Tip : off-peak months (February, March) are cheapest but weather is significantly worse.
Search on Hotels.comActivities & tours
Activities and tours in Tonga
Guided tours, skip-the-line tickets and local experiences.
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Flights
Find a flight to Tonga
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
June is ideal with 36% rainy days and 25°C.
February is the wettest month with 86% rainy days.
Yes, June is the best month with an average of 25°C.
In winter, the average score is 7.3/10. Acceptable conditions for cultural visits.
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