Ko Lanta weather in July
July in Ko Lanta: warm, soaked, with clean air — fine if you can take 22 rainy days.
#7 of 12 months in Ko Lanta · #580 of 897 destinations to visit in July · comfort 74/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Ko Lanta in July
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Ko Lanta climate normals — July
| Daytime high | 29°C / 84°F | 🌤 warm |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Rainfall | 243 mm / 9.6 in | ⛈ soaked |
| Rainy days | 22 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 9.4 h/day | |
| Daylight | 12.5 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Ko Lanta in July — FAQ
- Is July a good time to visit Ko Lanta?
- July in Ko Lanta: warm, soaked, with clean air — fine if you can take 22 rainy days. It ranks #7 of 12 months for Ko Lanta on SeasonMap's comfort score (74/100).
- What is the weather like in Ko Lanta in July?
- In July, Ko Lanta averages a daily high of 28.7°C and a low of 25.7°C, with about 243.3 mm of rain over roughly 22.2 rainy days.
- What is the air quality in Ko Lanta in July?
- Ko Lanta has a mean US Air Quality Index of about 42 in July.