Koh Lanta · Month comparison
July vs March
March ranks #1 overall vs July at #9. Still excellent — dry season holds, crowds ease, prices begin to soften.
July
#9 of 12 months
Worth considering
Ghost town — 220mm of rain, almost everything closed, seas too rough for any boats.
- ↑Accommodation that does open charges almost nothing — the cheapest beds in Koh Lanta's calendar
- ↑The island is essentially yours: Long Beach with zero other tourists is a unique experience
March
#1 of 12 months
Best match
Still excellent — dry season holds, crowds ease, prices begin to soften.
- ↑45mm rainfall remains very dry — weather still overwhelmingly reliable and sunny
- ↑High season crowds thinning as European winter holidays end, making beaches more enjoyable
| Factor | July | March |
|---|---|---|
| Weather score | 3 | 9 |
| Value score | 8 | 5 |
| Crowd score | 9 | 5 |
| Events score | 3 | 5 |
| Atmosphere | 4 | 8 |
| Avg high temp | 30°C | 33°C |
| Monthly rain | 220mm | 45mm |
| Daily sunshine | 5hrs | 9hrs |
July trade-offs
- ↓220mm exceeds the very-heavy threshold — this is not a weather trade-off, this is an avoid
- ↓Virtually all tourism infrastructure closed: restaurants, dive shops, boat tours, resorts
- ↓Muddy roads, flooded areas, and rough seas make movement around the island difficult
March trade-offs
- ↓Temperatures hitting 33°C by midday — less comfortable for active days than Feb
- ↓Some early monsoon showers possible in the last week as the Andaman begins to stir
- ↓Sea still calm but visibility at diving sites marginally less crystal than February
Scores compare months within Koh Lanta. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →