Bangkok is hot every single month, with highs of 31°C (88°F) or more, and the temples still want your shoulders and knees covered. Add rain on most days from May to October and the packing rule gets simple. Light, loose clothes that cover up and dry fast.
Bangkok weather by month
Daily high and low (°C), and days with rainSee the numbers
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High | 32°C90°F | 33°C91°F | 34°C93°F | 35°C95°F | 34°C93°F | 32°C90°F | 31°C88°F | 32°C90°F | 31°C88°F | 32°C90°F | 31°C88°F | 32°C90°F |
| Low | 22°C72°F | 24°C75°F | 26°C79°F | 28°C82°F | 27°C81°F | 26°C79°F | 26°C79°F | 25°C77°F | 25°C77°F | 25°C77°F | 24°C75°F | 23°C73°F |
| Rain days | 2 | 7 | 8 | 10 | 22 | 25 | 29 | 26 | 29 | 23 | 10 | 4 |
Season by season
Cool season
November–FebruaryThe most comfortable time to visit, and it's still hot. Highs run 31–33°C (88–91°F) with lows of 22–24°C (72–75°F), and rain is rare in December and January, with just 2 rain days in January, before February picks up to 7. Pack light cotton or linen, sunscreen, and one long-sleeved layer for cold air conditioning in malls and on the BTS Skytrain.
Hot season
March–MayApril is the hottest month, with highs of 35°C (95°F) and nights that stay around 28°C (82°F). Rain builds from 8 rain days in March to 22 in May. Wear loose, breathable clothes, carry water, and do outdoor sights like Wat Arun early in the morning or late in the afternoon.
Rainy season
June–AugustHighs ease to 31–32°C (88–90°F), but it rains on most days, with 25 to 29 rain days a month. In this heat a jacket does little, so pack quick-dry clothes, sandals you don't mind soaking and a water-resistant bag. Keep a small umbrella in your bag every day.
Monsoon peak
September–OctoberSeptember ties July as the wettest month at 29 rain days, and October still has 23. Temperatures barely move, with highs of 31–32°C (88–90°F) and lows around 25°C (77°F). Pack enough quick-dry layers to rotate while things dry, and line up a few indoor options like museums and the big malls.
What to bring to Bangkok
0 of 23 packedSliding US and EU plugs fit the flat-pin and round-pin outlets common in Bangkok, and it charges a phone and a few small devices at once.
- Bearwind S40 Portable Handheld Turbo FanTech & Power
Makes hot walks between temples and waits for river boats easier, with highs of 31–35°C (88–95°F) all year.
- Hydro Flask 24 oz Wide Mouth Bottle with Flex Straw CapWater Bottles & Hydration
Keeps water cold through long, hot days of sightseeing, and the straw cap is easy to sip on the move.
- Sawyer 20% Picaridin Insect Repellent Lotion, 4 ozHealth & Safety
Mosquitoes come with Bangkok evenings, and this picaridin lotion won't damage synthetic clothes or sunglasses.
- Peak Design Everyday Backpack Zip 20LBags & Luggage
The weather-sealed main compartment helps keep a laptop and layers dry in the showers that come most days from May to October.
- Nite Ize RunOff Waterproof Packing CubeBags & Luggage
Keeps a soaked shirt or wet swimsuit away from clean clothes after a downpour or a pool day.
- Anker Nano Power Bank 5,000mAh (Built-In USB-C)Tech & Power
A pocket-size top-up for long days of maps and ride-hailing apps, with no cable to carry.
Clothing
- Loose lightweight trousers or long skirt · 2Temples need knees covered
- T-shirts that cover shoulders · 4
- Light scarf or shawl · 1Quick cover-up for temples
- Packable rain poncho · 1Rain most days May–October
- Light layer for air-conditioning · 1Skytrain and malls run cold
Footwear
- Slip-on sandals · 1Shoes come off inside temples
- Breathable walking shoes · 1
Gear
- Compact umbrella · 1Doubles as sun shade in April's 35°C
- Sun hat · 1
- Sunglasses · 1
Health and toiletries
- Sunscreen
- Electrolyte tabletsHighs of 31°C or more every month
- Hand sanitizer
- Anti-chafe balm
Documents and money
- Passport
- Travel insurance
What shoes should you pack for Bangkok?
Heavy sneakers are a mistake here. Bangkok is hot to walk in and sidewalks are uneven, so light, breathable shoes win, and slip-ons save time at Wat Pho and the Grand Palace, where shoes come off. The BTS Skytrain, MRT and Chao Phraya river boats cut down the walking between sights.
What do people wear in Bangkok?
Locals dress neatly and cover up more than many visitors expect, often in light long trousers and short-sleeved shirts. Beachwear and very short shorts look out of place in the city. Temples, the Grand Palace included, ask for covered shoulders and knees, so carry a light scarf or wrap skirt.
What plugs does Bangkok use?
Thailand uses plug types A, B, C and O at 220V. Lots of outlets take both flat-pin and round-pin plugs, but a universal adapter covers you either way. Check that your chargers are rated for 220V before you plug in, though most phone and laptop chargers are.
Tours and things to do in Bangkok
Packed and ready? Browse guided tours, day trips and tickets for Bangkok.
What should you leave at home for Bangkok?
Leave heavy jeans, thick jackets and anything that takes days to dry. A raincoat is too hot for most of the year, so a small umbrella works better. Forget something and you can buy toiletries, sunscreen and light clothes at convenience stores and malls.
Around Bangkok
Packing for Bangkok: questions people ask
What is the best time of year to visit Bangkok for weather?
November to February, with highs of 31–33°C (88–91°F) and the fewest rain days. December and January are the driest, with 4 and 2 rain days.
Do I need a jacket in Bangkok?
Not for the weather, since lows stay at 22°C (72°F) or above all year. A light long-sleeved layer helps in air-conditioned malls, cinemas and on long bus rides.
What should I wear to the Grand Palace?
Cover your shoulders and knees, and skip see-through or very tight clothes. Long trousers or a long skirt with a T-shirt that covers your shoulders works well.
What plug adapter do I need for Thailand?
Thailand uses types A, B, C and O at 220V. A universal adapter with US and EU style plugs covers most outlets you'll find.
Is it worth visiting Bangkok in the rainy season?
Yes, if you plan for it. Temperatures barely change, but rain falls on 22 to 29 days a month from May to October, so pack quick-dry clothes and keep a few indoor plans ready.
Prices change often — the price on the retailer’s page is the one you pay.