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About this tool
Plan Thailand outfits by month: temple and Grand Palace cover-up rules, rooftop-bar codes, beach limits and a weighed packing list.
This planner turns Thailand's site-by-site dress rules and Bangkok's monthly climate normals into a counted packing list. It applies the published entry conditions — ankle-length trousers and covered shoulders at the Grand Palace, shoulders and knees covered plus shoes off in any wat, swimwear confined to the sand — then sizes quantities with a laundry-cycle model rather than one outfit per day. Pick a month and the places on your itinerary to see exactly which garments you need and roughly what they weigh.
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Each venue carries its own entry conditions and the on-the-spot fix if you turn up wrong.
Quantities follow how often you do laundry plus drying time, so a three-week trip is not three weeks of clothes.
Adds up an estimated clothing mass against the 7 kg cabin allowance Thai domestic carriers enforce.
Shoulders covered and ankle-length trousers or a long skirt — below the knee is not enough at this site. Sleeveless tops, shorts, cropped tops, ripped jeans, see-through fabric and leggings worn as outerwear are refused at the gate. Wraps and trousers can be borrowed near the Wat Phra Kaew entrance against a deposit, but the queue is long enough that arriving dressed is faster.
Not inside the halls. Ordinary wats expect shoulders and knees covered, and you remove your shoes before entering the ordination or image hall. A sarong carried in a day bag wraps over shorts in seconds, which is why most travellers pack one whatever else they bring.
Yes — topless and nude sunbathing are against Thailand's public decency law, and it is enforced. Swimwear is fine on the sand and at hotel pools, but pull on a cover-up before walking into shops, restaurants or anywhere with a shrine.
Quick-dry synthetics and a packable rain shell rather than cotton. September is the wettest month in Bangkok at roughly 345 mm across about 21 wet days, and downpours flood streets ankle-deep, so shoes you do not mind soaking matter more than an umbrella. Temperatures barely drop, so the cover-up rules for temples still apply in the heat.