Koh Samui · Month comparison
June vs April
April ranks #1 overall vs June at #6. Songkran brings Thai New Year festivities — warm, slightly wetter, but culturally unmissable.
June
#6 of 12 months
Strong option
Mixed month: decent value, quiet beaches, but frequent rain interrupts outdoor plans.
- ↑Prices remain 30–40% below high season — genuine value at quality resorts
- ↑Rain typically falls in afternoon bursts; mornings are often clear for beach time
April
#1 of 12 months
Best match
Songkran brings Thai New Year festivities — warm, slightly wetter, but culturally unmissable.
- ↑Songkran water festival (13–15 April) transforms Na Thon and Chaweng into celebrations of Thai New Year
- ↑Good value accommodation: 30–35% below peak-season rates with weather still mostly excellent
| Factor | June | April |
|---|---|---|
| Weather score | 5 | 7 |
| Value score | 7 | 6 |
| Crowd score | 7 | 6 |
| Events score | 4 | 7 |
| Atmosphere | 6 | 8 |
| Avg high temp | 31.8°C | 32.8°C |
| Monthly rain | 112mm | 83mm |
| Daily sunshine | 6.8hrs | 7.5hrs |
June trade-offs
- ↓112mm of rain with afternoon reliability — afternoon activities need contingency plans
- ↓Some Ang Thong Marine Park tours cancelled on heavier rain days
- ↓High humidity makes outdoor sightseeing sticky and draining without breaks
April trade-offs
- ↓Songkran week: hotel prices spike temporarily and transport books up fast
- ↓83mm of rain is manageable but occasional heavy afternoon showers begin appearing
- ↓Peak heat of 32.8°C: demanding for any strenuous outdoor activity between 11am and 3pm
Scores compare months within Koh Samui. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →