Packing for Thailand is mostly about staying cool, covering up for temples, and being ready for both city and beach. The tropical climate means you can pack light, and almost anything you forget is cheap to buy there — but a few essentials are worth getting right. Here's a practical packing list and the things travelers most often forget.
Clothing: light, breathable, and modest enough
Thailand is hot and humid year-round, so pack lightweight, breathable fabrics — cotton and linen over synthetics. Bring plenty of shorts, t-shirts, and light dresses for everyday wear and the beach. But also pack a few pieces that cover your shoulders and knees for temple visits — a lightweight scarf or sarong is the perfect versatile item (it doubles as a cover-up, a beach layer, and sun protection). A light rain jacket or compact umbrella is smart in the rainy season, and a light layer helps for over-air-conditioned malls and the cooler northern evenings.
Footwear
You'll mostly live in sandals or flip-flops — easy to slip off at temples and homes (where you remove shoes), and ideal for the heat and beaches. Add a pair of comfortable walking shoes or sneakers for city sightseeing and any trekking or active days. That's usually all you need; leave the heavy boots and excess shoes at home.
Sun and bug protection
The tropical sun is strong. Pack high-SPF sunscreen (and consider reef-safe versions for island trips), a hat, and sunglasses. Insect repellent is essential, especially for evenings, islands, and the north — mosquitoes can carry dengue, so this isn't just about comfort. You can buy all of these in Thailand, but bringing your preferred brands (especially a strong repellent) is wise.
Health and toiletries
Bring a small personal medical kit: any prescription medications (in their original packaging, with a copy of the prescription), plus basics like pain relievers, anti-diarrheal medication, rehydration salts, motion-sickness tablets for boat trips, and any motion or stomach remedies you rely on. Pharmacies are widespread and cheap in Thailand, but having the essentials on hand from day one saves hassle. Pack hand sanitizer and any specific toiletries you're particular about, though most are easy to buy locally.
Electronics and documents
Thailand uses 220V power with plug types A, B, and C — U.S. flat-pin plugs fit common sockets, but bring a universal adapter for round-pin or grounded plugs, and check that your devices handle 220V (most phone and laptop chargers do; some hair tools don't). A power bank is invaluable, since heavy use of maps and ride-hailing drains batteries. Keep copies of your passport (physical and digital), travel insurance details, and your TDAC confirmation accessible. A reusable water bottle cuts down on plastic.
Packing for the islands vs. the cities vs. the north
Thailand's regions call for slightly different kit. For the islands, prioritize swimwear, reef-safe sunscreen, a quick-dry towel, water shoes if you plan to explore rocky shores, and a dry bag for boat trips. For the cities, add a smart-casual outfit if you plan to visit rooftop bars (many enforce a dress code — no shorts or flip-flops). For the north, especially in the cool season, pack a warmer layer or two, since Chiang Mai and the mountains get genuinely chilly in the evenings, unlike the islands. A versatile capsule wardrobe plus these region-specific extras covers a multi-region trip without overpacking.
What to leave at home
Don't overpack. Heavy or formal clothing is rarely needed; excess toiletries can be bought cheaply there; and bulky items just weigh you down when you're hopping between cities and islands. Thailand is an easy place to travel light — laundry services are cheap and everywhere, so you can wash clothes on the road rather than packing two weeks' worth. Leave valuables you don't need at home too.
The easy-to-forget essentials
The things travelers most often wish they'd brought: a sarong or scarf (temple cover-up and beach multi-tool), strong insect repellent, a power bank, reef-safe sunscreen, motion-sickness tablets, and a light layer for cold air-conditioning. Get those in the bag and the rest is easy. For budgeting any last-minute buys, a live converter helps:
FAQ
What should I wear in Thailand?
Light, breathable clothing for the heat — shorts, t-shirts, and dresses — plus a few pieces that cover shoulders and knees for temples. A sarong or scarf is the most versatile item to pack.
Do I need special power adapters for Thailand?
Thailand uses 220V with plug types A, B, and C. U.S. flat-pin plugs fit common sockets, but bring a universal adapter for round-pin or grounded plugs and check your devices handle 220V.
What's the most forgotten item for Thailand?
A sarong or scarf (great for temple visits and the beach), strong insect repellent, and a power bank top the list. All are cheap to buy there if you forget.
Should I pack a lot of clothes?
No — pack light. The climate calls for minimal clothing, and cheap laundry services are everywhere, so you can wash on the road rather than carrying two weeks' worth between cities and islands.