Koh Lanta · WinterMonth summary
Koh Lanta weather in January
✅ Good
🌡️ Temperature min / max
25°C – 31°C
🌧 Rainy days
36% of days
☀️ Sunshine
11.0h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
7.7/10
📅 📅 Best month
February (7.8/10)
Quick decision
Should you visit Koh Lanta in January?
✅ 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: Favourable conditions in January (7.7/10). February scores higher but the gap is small.
By trip type
Koh Lanta in January by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ✅ Good
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in January
🎯 Water at 27°C and lively beaches — January is peak swimming season in Koh Lanta Even in winter, Koh Lanta enjoys 31°C. A real asset for escaping the European cold. Expect rain on 36% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if February (7.8/10) remains theoretically better.
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All months for Koh Lanta
Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 25°C | 31°C | 36% | 2.4 | 11.0h | 7.7/10 |
| ☀️ February | 25°C | 32°C | 23% | 1.0 | 11.1h | 7.8/10 |
| 🌤️ March | 26°C | 32°C | 33% | 1.8 | 11.2h | 7.6/10 |
| ⛅ April | 26°C | 31°C | 69% | 4.3 | 11.2h | 7.1/10 |
| 🌦️ May | 26°C | 30°C | 87% | 8.3 | 10.1h | 7.0/10 |
| ⛅ June | 26°C | 30°C | 76% | 7.9 | 10.5h | 7.1/10 |
| ⛅ July | 26°C | 30°C | 73% | 6.6 | 10.4h | 7.1/10 |
| ⛅ August | 26°C | 29°C | 82% | 8.1 | 10.6h | 7.1/10 |
| ⛅ September | 26°C | 29°C | 84% | 10.8 | 10.2h | 7.0/10 |
| 🌧️ October | 25°C | 29°C | 87% | 10.7 | 9.4h | 7.0/10 |
| 🌧️ November | 25°C | 29°C | 86% | 8.1 | 9.1h | 7.0/10 |
| 🌤️ December | 25°C | 30°C | 51% | 4.1 | 11.0h | 7.4/10 |
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 January, Koh Lanta averages 31°C, 36% rainy days and 11.0h of sunshine per day. Overall weather score: 7.7/10.
See methodology →
Comparison
January vs February (best month)
The best month is February (score 7.8/10). Difference:
- 🌡️ Max temperature : +1°C
- 🌧 Rainy days : -13%
- ☀️ Sunshine : +0.1h/day
FAQ
FAQ — Koh Lanta in January
Is January a good time to visit Koh Lanta?
January is an excellent time to visit Koh Lanta (score 7.7/10). With 31°C, 11.0h of sunshine and 36% rain, conditions are very favourable.
What to do in Koh Lanta in January?
With 31°C 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 Lanta
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