Koh Lanta · SpringMonth summary
Koh Lanta weather in April
✅ Good
🌡️ Temperature min / max
26°C – 31°C
🌧 Rainy days
69% of days
☀️ Sunshine
11.2h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
7.1/10
📅 📅 Best month
February (7.8/10)
Quick decision
Should you visit Koh Lanta in April?
✅ Good
✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.
❌ No if: you're planning 100% outdoor activities — rain is frequent.
Our take: April is a good time to visit Koh Lanta. February remains slightly better (+0.7 pts).
By trip type
Koh Lanta in April by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in April
🎯 Water at 28°C and lively beaches — April is peak swimming season in Koh Lanta Spring marks the start of the good season in Koh Lanta. Temperatures rise (31°C) and tourists have not yet arrived en masse. With 69% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. February (7.8/10) is significantly better if possible.
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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 April, Koh Lanta averages 31°C, 69% rainy days and 11.2h of sunshine per day. Overall weather score: 7.1/10.
See methodology →
Comparison
April vs February (best month)
The best month is February (score 7.8/10). Difference:
- 🌡️ Max temperature : +1°C
- 🌧 Rainy days : -46%
- ☀️ Sunshine : -0.1h/day
FAQ
FAQ — Koh Lanta in April
Is April a good time to visit Koh Lanta?
April is an acceptable time for Koh Lanta (score 7.1/10). Conditions are decent but not optimal — consider February (7.8/10) if possible.
Does it rain a lot in Koh Lanta in April?
Yes, 69% of days see rain in April. Plan some indoor activities as backup.
Accommodation
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Activities & tours
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