Koh Lanta · Month comparison
March vs December
March ranks #1 overall vs December at #2. Still excellent — dry season holds, crowds ease, prices begin to soften.
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
December
#2 of 12 months
Best match
Dry season fully established — paradise conditions return with Christmas crowds and rising prices.
- ↑40mm rainfall and 8.5 hours of daily sunshine: the season everyone comes for is finally here
- ↑The whole island is open: every restaurant, dive shop, resort and activity operator back at full capacity
| Factor | March | December |
|---|---|---|
| Weather score | 9 | 9 |
| Value score | 5 | 4 |
| Crowd score | 5 | 4 |
| Events score | 5 | 6 |
| Atmosphere | 8 | 9 |
| Avg high temp | 33°C | 31°C |
| Monthly rain | 45mm | 40mm |
| Daily sunshine | 9hrs | 8.5hrs |
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
December trade-offs
- ↓December prices climbing steeply toward the January–February peak
- ↓Christmas and New Year week sees maximum arrivals — Long Beach busy in the evenings
- ↓Book accommodation at least 2–3 months ahead for the festive period
Scores compare months within Koh Lanta. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →