Bangkok is one of the best cities on earth to visit. It's also one of the easiest to get wrong on a first trip. Here's what to know.

1. The tuk-tuk scam is alive and well

A friendly stranger tells you the Grand Palace is closed today (it isn't). He offers to take you on a tuk-tuk tour of the city for almost nothing, with a stop at a "special temple." The stops are gem shops or tailor shops where the driver earns commission. The Grand Palace is almost never closed to tourists outside of specific royal ceremonies. If someone on the street redirects you, keep walking.

2. Traffic makes distance meaningless

Bangkok's roads are some of the most congested in Asia. Three kilometres can take 45 minutes by taxi in rush hour. The BTS Skytrain and MRT Metro exist and they're excellent — but they don't cover every neighbourhood. Check whether a rail option exists before you plan a day around "it's only nearby." If there isn't one, build in serious time.

3. The heat and humidity are physically draining

Bangkok sits near the equator. Humidity regularly hits 80–90%. For many European or North American visitors, this is a different category of hot than anything they've experienced. Sightseeing in the middle of the day in March–May (the hottest months) means planning around it — temples early morning, air-conditioned spaces midday, outdoor markets at night.

4. Temple dress codes are strict

Shorts and sleeveless tops get you turned away at Wat Pho, the Grand Palace complex, and most major temples. You can buy or borrow a sarong at the entrance, but some days the queue for loaners is long. Just bring a lightweight layer. This catches a surprising number of people who planned a full temple day and spend half of it sorted at the gate.

5. Meter taxis are the norm — but drivers don't always want to use them

Licensed metered taxis are cheap and plentiful. Some drivers, especially near tourist areas, will quote a flat fare instead of running the meter. The flat fare is almost always higher. "Meter, please" is the correct response. If they refuse, get out and flag another.

6. Not all street food is equal and timing matters

The quality of Bangkok street food varies by location, vendor, and time of day. The famous backpacker strips serve tourist-grade versions of Thai dishes. The genuinely good stuff runs in local neighbourhoods, often during morning and lunch hours when working Thais eat. Evening night markets are more mixed than Instagram suggests.

7. The Chao Phraya river is a legitimate transport system

The express boat running the Chao Phraya is fast, cheap, and connects central Bangkok attractions along the riverbank — including Wat Arun, Wat Pho, and the Grand Palace area — without any traffic. Most first-timers use it once for the novelty. It should actually be part of the regular transport plan.

8. Bangkok is enormous and the tourist area is a fraction of it

Khao San Road, Sukhumvit, and Silom are all in different parts of a city roughly the size of Greater London. Where you stay shapes what your trip feels like. Staying near the BTS network gives you flexibility. Staying in a guesthouse off Khao San gives you a very specific — and very tourist-facing — experience.

9. Bargaining is expected in markets, not in shops

In weekend markets and street stalls, negotiating is normal and expected. In malls, department stores, and restaurants, it isn't. The distinction matters — trying to bargain in a mid-range restaurant reads as rude, while not negotiating at a Chatuchak market stall means you're paying a tourist premium.

10. Jet lag plus heat plus pace is a real combination

Bangkok rewards a slower start than people give it. Landing after a 10-hour flight, stepping into 35°C heat, and immediately launching into a full temple day is a common first-day mistake. One easy afternoon and an early night before you commit to a full itinerary makes the rest of the trip better.