Ko Lanta weather in August
August in Ko Lanta: warm, soaked, with clean air — fine if you can take 24 rainy days.
#9 of 12 months in Ko Lanta · #619 of 897 destinations to visit in August · comfort 72/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Ko Lanta in August
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Ko Lanta climate normals — August
| Daytime high | 29°C / 83°F | 🌤 warm |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Rainfall | 252 mm / 9.9 in | ⛈ soaked |
| Rainy days | 24 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 9.3 h/day | |
| Daylight | 12.4 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 28 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Ko Lanta in August — FAQ
- Is August a good time to visit Ko Lanta?
- August in Ko Lanta: warm, soaked, with clean air — fine if you can take 24 rainy days. It ranks #9 of 12 months for Ko Lanta on SeasonMap's comfort score (72/100).
- What is the weather like in Ko Lanta in August?
- In August, Ko Lanta averages a daily high of 28.5°C and a low of 25.7°C, with about 251.8 mm of rain over roughly 24 rainy days.
- What is the air quality in Ko Lanta in August?
- Ko Lanta has a mean US Air Quality Index of about 28 in August.