Visas
Thailand offers visa-free entry to citizens of 93 countries and territories. Americans, Canadians, Australians, UK citizens, and most Europeans receive 60 days automatically on arrival, effective since July 2024. Extensions available at immigration offices for 1,900 baht, granting an additional 30 days.
Citizens not on the visa-exempt list can obtain a visa on arrival at major airports for 2,000 baht, valid for 15 days. Pre-arranged tourist visas through Thai embassies grant 60 days with options for multiple-entry. Processing takes 3-5 business days.
You need six months passport validity from entry. Thailand Digital Arrival Card (TDAC) mandatory from May 2025, must be completed online at least 3 days before arrival. Overstaying costs 500 baht per day, capped at 20,000 baht, plus potential immigration blacklisting for extended overstays.
Airport
Suvarnabhumi Airport serves Bangkok and most international carriers. Modern, efficient, but immigration can take 45-90 minutes during afternoon arrival waves when flights from Europe and the Middle East land simultaneously. Fast Track services available for 1,000-3,000 baht to skip regular lines.
Airport Rail Link reaches Phaya Thai Station in 30 minutes for 45 baht, connects to BTS Skytrain network. Runs 6am to midnight. Metered taxis queue outside Level 1. Insist on the meter, expect 350-500 baht to central Bangkok plus 50 baht airport surcharge and tolls. Grab often cheaper and more reliable.
Don Mueang Airport handles budget carriers and some domestic flights. Older, smaller, closer to the city. Taxis cost 250-350 baht to central areas. Train service limited. Phuket, Chiang Mai, and Krabi airports serve major tourist regions with direct international flights. SIM cards at all airports from AIS, TrueMove, and DTAC for 299-599 baht with tourist packages.
Weather
November through February delivers the best conditions across most of Thailand. Cool, dry weather with temperatures 25-30°C in Bangkok, cooler in northern regions like Chiang Mai where evenings drop to 15°C. Clear skies, low humidity, perfect for temple visits and outdoor activities.
March through May brings extreme heat. Bangkok regularly hits 35-38°C with brutal humidity. Northern Thailand slightly more bearable. Islands offer beach relief but temperatures still oppressive. Songkran water festival in mid-April provides temporary cooling.
June through October is monsoon season. Heavy afternoon rains, especially September and October. Southern islands split between east and west coasts. Phuket and Andaman coast get hit hard July through October. Koh Samui and Gulf islands see worst rain November through December. Rain typically comes in bursts, not all day.
timing
Peak season runs November through February. Hotels book solid, especially Christmas and New Year when rates triple and minimum stays apply. Advance reservations essential for popular areas like Railay Beach, Phi Phi Islands, and Chiang Mai Old City.
Songkran in mid-April shuts the country for 3-5 days as water fights take over streets. Hotels raise rates, transportation gets chaotic, many businesses close. Fun if you expect it, frustrating if you want normal operations. Loy Krathong in November brings floating lanterns in Chiang Mai and krathong releases countrywide.
Chinese New Year in late January or February sees surges of Chinese tourists, particularly in Bangkok, Phuket, and Chiang Mai. July and August bring European summer holidaymakers and higher prices despite being low season weather-wise. April through June and September through October offer the lowest rates but come with heat or rain tradeoffs.
Over 40,000 temples across the country. Bangkok’s Grand Palace and Wat Phra Kaew house the Emerald Buddha. Ayutthaya’s crumbling temple complexes reflect former Siamese capital glory. Sukhothai’s Buddha statues and lotus-bud chedis sit in parkland ruins. Chiang Mai’s Doi Suthep overlooks the city from mountain heights. Monks collect alms at dawn, orange robes against morning light.
Limestone karsts rise from turquoise water at Railay and Phi Phi. Koh Samui offers palm-lined beaches and luxury resorts. Koh Tao draws divers to coral reefs and whale shark sites. Similan Islands provide pristine diving and snorkeling. Phuket balances party beaches in Patong with quieter stretches in Kamala and Kata. Longtail boats ferry passengers between hidden coves and island restaurants built on stilts.
Bangkok’s Yaowarat Road in Chinatown erupts nightly with wok-fried seafood, roasted duck, and mango sticky rice. Chiang Mai’s Sunday Walking Street sells sai oua sausages and khao soi curry noodles. Pad thai, som tam, and satay cost 40-80 baht from street carts. Chatuchak Weekend Market in Bangkok sprawls across 35 acres. Floating markets in Damnoen Saduak and Amphawa sell fruit and noodles from boats.
BTS Skytrain and MRT subway cover Bangkok efficiently. Single rides cost 16-52 baht depending on distance. Rabbit cards work on BTS, stored value rechargeable at stations. Trains run 6am to midnight. Taxis are metered and cheap but traffic is horrendous. Insist on meter, starting fare 35 baht. Tuk-tuks are fun but negotiate prices before getting in.
Motorcycle taxis wear orange vests and navigate traffic quickly for 20-60 baht short trips. Grab works well in Bangkok and major cities. Domestic flights connect Bangkok to Chiang Mai, Phuket, and Krabi for 1,000-3,000 baht. Overnight trains and VIP buses serve long-distance routes. Songthaews, shared pickup trucks, cover local routes in smaller cities for 10-30 baht.
Cash remains king outside malls and hotels. Most street food vendors, small restaurants, and markets take cash only. ATMs everywhere with 220 baht withdrawal fees for foreign cards on top of your bank’s charges. Withdrawal limits typically 20,000-30,000 baht per transaction.
Credit cards work at hotels, upscale restaurants, and chain stores. Some add 3% surcharges. Carry small bills. Vendors often lack change for 1,000 baht notes. Mobile banking apps like PromptPay dominate among locals but require Thai bank accounts. Bargaining expected at markets but not at established shops with price tags.
Tourist SIM cards require registration with a passport. Buy at airports or 7-Eleven stores with passport. AIS provides best coverage including islands and rural areas. 30-day packages with 20-50GB cost 299-599 baht. TrueMove and DTAC slightly cheaper with weaker coverage outside cities. Free WiFi common at cafes, hotels, and malls though speeds vary dramatically.
Lightweight, modest clothing essential. Temples require covered shoulders and knees. Bring a scarf or sarong for temple visits. Pants or long skirts work better than shorts for multiple daily temple stops. Sunscreen, hat, and sunglasses for brutal equatorial sun. Flip-flops or sandals useful since you’ll remove shoes constantly. Small daypack for carrying water and rain protection.
Thailand is generally safe but scams target tourists. Tuk-tuk drivers offer “temple tours” ending at gem shops with high-pressure sales. Jet ski rental scams in Phuket and Pattaya claim fake damage. Use reputable operators. Tap water isn’t drinkable. Stick to bottled water and ice from restaurants, which use filtered water.
Street food is safe at busy stalls with high turnover. Avoid empty stalls or anything sitting out for hours. Grilled meats and freshly cooked dishes safest bets. Bangkok belly common from sudden spice levels and dietary changes. Carry anti-diarrheal medication. Motorcycle accidents are the biggest danger. Wear helmets, drive cautiously, consider insurance that covers motorbike incidents.
Raw snapshots of human connection across distant landscapes
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