Before You Go: Visas & Entry
Most nationalities can enter Thailand without a visa for short stays. Citizens of many countries — including the UK, USA, Australia, and EU member states — are currently granted a visa exemption allowing stays of up to 60 days (this policy has been updated in recent years; always verify the current rules on the official Thai Ministry of Foreign Affairs website before travel, as policies can change).
- Your passport must be valid for at least 6 months beyond your travel dates.
- You may be asked to show proof of onward travel (a return or connecting flight booking).
- Longer stays require a tourist visa obtained in advance from a Thai embassy or consulate.
Getting to Koh Samui
Koh Samui has its own international airport (USM) with direct flights from several regional hubs including Bangkok (Suvarnabhumi and Don Mueang), Kuala Lumpur, Singapore, and Hong Kong. Alternatively, you can fly into Bangkok and take a connecting domestic flight, or travel overland to the ferry ports at Surat Thani or Don Sak and take the ferry across.
When to Visit: Understanding the Weather
Koh Samui's weather pattern is influenced by two monsoons. Unlike the rest of Thailand, the island has its wettest months in October and November (not May–October like the rest of the country).
| Season | Months | Conditions |
|---|---|---|
| Peak / Dry Season | December – April | Sunny, calm seas, best beach weather |
| Shoulder Season | May – September | Warm, occasional rain, fewer crowds |
| Wet Season | October – November | Heavy rain, rough seas, some closures |
Money & Payments
- The currency is the Thai Baht (THB). Keep a supply of cash for markets, street food, and smaller establishments.
- ATMs are widely available, particularly in Chaweng and Lamai. Most charge a foreign transaction fee per withdrawal — check your bank's policy before travelling.
- Larger hotels, supermarkets, and many restaurants accept cards, but don't rely on it exclusively.
- Currency exchange booths in the main tourist areas generally offer better rates than airport exchange counters.
Health & Safety
Health Precautions
- Drink bottled water only — tap water is not considered safe to drink.
- Use high-SPF sunscreen; the tropical sun is intense even on cloudy days.
- Mosquito repellent is recommended, especially at dawn and dusk. Dengue fever is present in Thailand.
- Consult your doctor or a travel health clinic about vaccinations and malaria prophylaxis well before departure.
Road Safety
Road accidents are among the most common causes of injury for tourists in Thailand. If you rent a scooter, always wear a helmet, avoid riding at night, and do not drink and drive. Ensure your travel insurance covers motorcycle riding with the appropriate licence.
Cultural Etiquette
Thailand is a predominantly Buddhist country with a deep reverence for its culture, monarchy, and religion. A little awareness goes a long way:
- Dress modestly when visiting temples. Shoulders and knees should be covered. Many temples provide wraps at the entrance.
- Remove shoes before entering temples and many traditional homes.
- Do not touch people's heads — the head is considered sacred in Thai culture.
- The monarchy is sacred. Criticism of the Thai Royal Family is not only socially unacceptable — it is illegal under Thailand's strict lèse-majesté laws.
- Greet with a wai — pressing your palms together and bowing slightly — to show respect to Thai people, particularly elders.
- Bargaining is acceptable at markets but should be done with a smile. Aggressive bargaining is considered rude.
Connectivity
Getting a Thai SIM card at the airport is easy, affordable, and highly recommended. Major providers like AIS, DTAC, and True Move offer tourist SIM packages with generous data allowances. Wi-Fi is widely available in hotels, cafés, and restaurants throughout the main tourist areas.
Final Packing Tips
- Light, breathable clothing — the heat and humidity are significant year-round
- Reef-safe sunscreen (protect the marine environment)
- A lightweight rain jacket (useful even in the dry season for occasional showers)
- A power adapter if needed (Thailand uses Type A, B, and C plugs at 220V)
- Photocopies or digital copies of your passport and travel insurance documents