Koh Tao · WinterMonth summary
Koh Tao weather in December
✅ Good
🌡️ Temperature min / max
79°F – 81°F
🌧 Rainy days
44% of days
☀️ Sunshine
11.0h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
7.8/10
📅 📅 Best month
March (8.9/10)
Quick decision
Should you visit Koh Tao in December?
✅ 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: Koh Tao in December: 81°F and 11.0h of sunshine. Decent, but not the peak.
By trip type
Koh Tao in December by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ✅ Good
- 💰 💰 Budget : 🌿 Shoulder
Local context
What to expect in December
Even in winter, Koh Tao enjoys 27°F. A real asset for escaping the European cold. Expect rain on 44% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if March (8.9/10) remains theoretically better.
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All months for Koh Tao
Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 77°F | 81°F | 28% | 0.1in | 11.0h | 8.3/10 |
| 🌤️ February | 79°F | 81°F | 30% | 0.1in | 11.0h | 8.3/10 |
| ☀️ March | 79°F | 82°F | 17% | 0.0in | 11.1h | 8.9/10 |
| 🌤️ April | 81°F | 84°F | 36% | 0.1in | 11.7h | 8.1/10 |
| ⛅ May | 81°F | 84°F | 69% | 0.2in | 11.4h | 7.3/10 |
| ⛅ June | 81°F | 84°F | 70% | 0.2in | 11.0h | 7.2/10 |
| ⛅ July | 79°F | 82°F | 71% | 0.2in | 10.1h | 7.3/10 |
| ⛅ August | 79°F | 82°F | 67% | 0.2in | 10.6h | 7.4/10 |
| ⛅ September | 79°F | 82°F | 75% | 0.2in | 9.7h | 7.2/10 |
| ⛅ October | 79°F | 82°F | 84% | 0.3in | 10.4h | 7.1/10 |
| ⛅ November | 79°F | 82°F | 73% | 0.4in | 10.5h | 7.2/10 |
| 🌤️ December | 79°F | 81°F | 44% | 0.2in | 11.0h | 7.8/10 |
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 December, Koh Tao averages 81°F, 44% rainy days and 11.0h of sunshine per day. Overall weather score: 7.8/10.
See methodology →
Comparison
December vs March (best month)
The best month is March (score 8.9/10). Difference:
- 🌡️ Max temperature : +1°F
- 🌧 Rainy days : -27%
- ☀️ Sunshine : +0.1h/day
FAQ
FAQ — Koh Tao in December
Is December a good time to visit Koh Tao?
December is an excellent time to visit Koh Tao (score 7.8/10). With 81°F, 11.0h of sunshine and 44% rain, conditions are very favourable.
What to do in Koh Tao in December?
With 81°F max and 11.0h of sunshine, focus on cultural sites, museums and local gastronomy.
Accommodation
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Activities & tours
Activities and tours in Koh Tao
Guided tours, skip-the-line tickets and local experiences.
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