When to go · Bangkok
Bangkok in April
Avoid month. Hottest; Songkran 13–15 Apr: water fights, closures, sold-out transport.
Key facts
- Verdict
- Avoid
- Temperature
- 35° / 27°
- average high / low
- Rain days
- 6
- Crowds
- High
- Thailand overall
- Prices
- High
- Thailand overall
Verdict
Hottest; Songkran 13–15 Apr: water fights, closures, sold-out transport.
Weather in April
- BangkokHighs around 35 °C, lows around 27 °C, rain on about 6 days
- Bangkok and centre, Thailand · Bangkok, Ayutthaya, Kanchanaburihot
Cool season Nov–Feb is the easy window; April reaches 38 °C; September and October bring street flooding in short bursts.
Hot season season
Mango season and mango sticky rice; Songkran water fights; clear skies.
Watch: Heat index above 40 °C; plan every afternoon indoors.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Chakri Day
6 April · Rattanakosin
Public holiday; royal ceremonies can close parts of the old city.
Songkran (Thai New Year)
13–15 April, with events for a few days either side · Silom, Khao San, Siam, Wisut Kasat
City-wide water fights; phones in waterproof pouches; many locals leave, so outbound buses, trains and flights sell out while the city centre is calmer.
Crowds and prices
- Crowds · Thailand overall
- High
- Prices · Thailand overall
- High
Thailand overall: Hottest month; Songkran (13–15 Apr) soaks everyone and fills transport — plan around it or join in.
High-price month: see what to book ahead.
What to pack
- Light, breathable clothes, a sun hat and sunscreen