Thailand
Koh Samui in April
☀️ Dry seasonHot, humid and some showers.
🎒 Pack: light, breathable clothes & sunscreen · quick-dry fabrics · sunglasses & hat
Why April scores 8.2What goes into the score
How it works- Weather comfort7.1
- ✓Hot (32°C highs / 26°C lows)
- !Very humid/sticky (dew point 24.6°C)
- ✓Mostly dry (~83 mm rain)
- Air quality9.4
- ✓Good (within WHO guideline) (PM2.5 ~9 µg/m³)
- Seasonal hazards10.0
- ·No notable seasonal hazards
- Safety baseline8.0
- ·Normal precautions
| Apr | Feb | |
|---|---|---|
| Score | 8.2 Very good | 8.3 Very good |
| Season | ☀️ Dry season | ☀️ Dry season |
| High / low | 32° / 26° | 29° / 25° |
| Rain | 83 mm | 64 mm |
| Humidity | dew pt 25° | dew pt 23° |
| PM2.5 | 9 µg/m³ | 21 µg/m³ |
Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Ko Samui weather-station normals. Rainfall: Ko Samui weather-station normals (national met service).
Holidays & crowdsApril 2027
Long weekendThere's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.
- Songkran Festival 13–15 Apr · 3 days off in a row
Other public holidays: Chakri Memorial Day (6 Apr)
National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).
Explore Koh SamuiEvents, sights, food & souvenirs
Check event dates locallyThailand's second-largest island, in the Gulf of Thailand, visited for beaches, resorts, temples and boat trips to the Ang Thong marine park.
SongkranEvery year13-15 April every year
Thai New Year, celebrated with water fights in the streets.
Why go: Expect to get soaked; keep phones in waterproof bags.
Where: Island-wide, especially Chaweng
Coming up later
Loy KrathongDate variesThai lunar calendar, usually November
People float candlelit offerings on the water.
Why go: It falls in the rainy season on Samui.
Where: Beaches and temples
Chaweng Beach
The island's busiest beach, with resorts and nightlife.
Lamai Beach
A long beach south of Chaweng, slightly quieter.
Big Buddha (Wat Phra Yai)
A large golden seated Buddha on a small island linked by causeway.
💡 Cover shoulders and knees.
Ang Thong National Marine Parkgreat in Apr
An archipelago of limestone islands reached by day-trip boat.
💡 Boat trips may be cancelled in rough weather, mostly in the late-year rainy season.
Fisherman's Village, Bophut
Old wooden shophouses with a Friday night walking street market.
Hin Ta and Hin Yai
Rock formations at Lamai known as Grandfather and Grandmother rocks.
Seafood
Grilled fish, prawns and squid.
💡 Beachfront restaurants and night markets
Southern Thai curries
Spicy dishes such as kaeng som and kaeng tai pla.
💡 Local Thai restaurants
Coconut-based dishes and drinks
Samui has long been known for its coconut plantations.
💡 Markets and stalls
Khanom jeen
Fermented rice noodles with curry sauces.
💡 Local markets
Coconut products
Coconut oil and coconut-based beauty products.
💡 Markets and shops
Thai silk and textiles
Scarves and clothing.
💡 Fisherman's Village and shops
Thai handicrafts
Wood carvings and homeware.
💡 Walking street markets