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Draft data. Times, fares and step counts are desk estimates awaiting field checks. Unknown times stay unknown. How we verify

When to go · Bangkok

Bangkok in May

Avoid month. Hot and humid; first afternoon storms.

Key facts

Verdict
Avoid
Temperature
34° / 27°
average high / low
Rain days
15
Crowds
Low
Thailand overall
Prices
Low
Thailand overall

Verdict

AvoidVoykit month rating for Bangkok

Hot and humid; first afternoon storms.

Weather in May

Long-term averages
  • BangkokHighs around 34 °C, lows around 27 °C, rain on about 15 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.

  • Coronation Day and the Royal Ploughing Ceremony check

    4 May; ploughing ceremony on a date set by astrologers (check) · Sanam Luang

    Public holidays; the ceremony closes Sanam Luang and nearby roads.

  • Visakha Bucha check

    Full moon of the 6th lunar month (public holiday) · Temples

    Evening candle processions; no alcohol sales.

Crowds and prices

Crowds · Thailand overall
Low
Prices · Thailand overall
Low

Thailand overall: Heat plus first rains; Andaman seas turn rough; the Gulf islands are the pick.

What to pack

  • Light, breathable clothes, a sun hat and sunscreen
  • A rain jacket or umbrella and shoes that dry fast

Build the full packing list for your trip →

Across Thailand in May →