Koh Samui · Month comparison
February vs April
April ranks #1 overall vs February at #3. Songkran brings Thai New Year festivities — warm, slightly wetter, but culturally unmissable.
February
#3 of 12 months
Best match
Driest month of the year: 42mm of rain, long sunny days, and a slight easing of the January crush.
- ↑Statistically the least rainfall of any month — the most reliable weather window on the island
- ↑Slightly fewer visitors than January as European half-term crowds thin after early February
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 | February | April |
|---|---|---|
| Weather score | 9 | 7 |
| Value score | 4 | 6 |
| Crowd score | 4 | 6 |
| Events score | 5 | 7 |
| Atmosphere | 7 | 8 |
| Avg high temp | 30.1°C | 32.8°C |
| Monthly rain | 42mm | 83mm |
| Daily sunshine | 8.2hrs | 7.5hrs |
February trade-offs
- ↓Still peak season pricing across accommodation, tours, and restaurants
- ↓Chinese New Year week brings additional visitors from Singapore and Malaysia
- ↓Coral bleaching risk at some dive sites due to warm, calm water conditions
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 →