Tonga · SummerMonth summary
Tonga weather in August
✅ Good
🌡️ Temperature min / max
70°F – 73°F
🌧 Rainy days
39% of days
☀️ Sunshine
10.6h per day on average
🌊 🌊 Season
Summer
⭐ ⭐ Weather score
7.6/10
📅 📅 Best month
June (7.8/10)
Quick decision
Should you visit Tonga in August?
✅ Good
✅ Yes if: you want to explore cultural sites and local food.
❌ No if: you need guaranteed sunshine for photos or outdoor activities.
Our take: Tonga in August: 73°F and 10.6h of sunshine. Decent, but not the peak.
By trip type
Tonga in August by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in August
Summer in Tonga brings pleasant temperatures (23°F) and long sunny days (10.6h of sunshine). Expect rain on 39% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if June (7.8/10) remains theoretically better.
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All months for Tonga
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ⛅ January | 77°F | 82°F | 75% | 0.3in | 12.2h | 7.3/10 |
| 🌦️ February | 77°F | 82°F | 86% | 0.4in | 12.0h | 7.1/10 |
| ⛅ March | 77°F | 82°F | 72% | 0.4in | 11.2h | 7.3/10 |
| 🌤️ April | 75°F | 81°F | 53% | 0.2in | 11.0h | 7.6/10 |
| 🌤️ May | 73°F | 77°F | 46% | 0.2in | 10.7h | 7.5/10 |
| 🌤️ June | 72°F | 77°F | 36% | 0.1in | 10.3h | 7.8/10 |
| 🌤️ July | 70°F | 75°F | 34% | 0.1in | 10.3h | 7.7/10 |
| 🌤️ August | 70°F | 73°F | 39% | 0.1in | 10.6h | 7.6/10 |
| 🌤️ September | 70°F | 75°F | 42% | 0.1in | 11.0h | 7.7/10 |
| 🌤️ October | 72°F | 77°F | 51% | 0.2in | 11.5h | 7.5/10 |
| 🌤️ November | 73°F | 79°F | 59% | 0.2in | 12.8h | 7.6/10 |
| ⛅ December | 75°F | 81°F | 65% | 0.3in | 13.0h | 7.5/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In August, Tonga averages 73°F, 39% rainy days and 10.6h of sunshine per day. Overall weather score: 7.6/10.
See methodology →
Comparison
August vs June (best month)
The best month is June (score 7.8/10). Difference:
- 🌡️ Max temperature : +2°F
- 🌧 Rainy days : -3%
- ☀️ Sunshine : -0.3h/day
FAQ
FAQ — Tonga in August
Is August a good time to visit Tonga?
August is an excellent time to visit Tonga (score 7.6/10). With 73°F, 10.6h of sunshine and 39% rain, conditions are very favourable.
What to do in Tonga in August?
With 73°F max and 10.6h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
Activities and tours in Tonga
Guided tours, skip-the-line tickets and local experiences.
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Flights
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Explore also
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