When to go · Bangkok
Bangkok in May
Avoid month. Hot and humid; first afternoon storms.
Key facts
- Verdict
- Avoid
- Temperature
- 34°C (93°F)93°F (34°C) / 27°C (81°F)81°F (27°C)
- average high / low
- Rain days
- 15
- Crowds
- Low
- Thailand overall
- Prices
- Low
- Thailand overall
Verdict
Hot and humid; first afternoon storms.
All twelve months in one grid — weather, crowds and prices, with gaps left as unknown.
Is another month better than May?
May is rated avoid. These months rate higher:
Weather in May
- BangkokHighs around 34 °C (93 °F), lows around 27 °C (81 °F), rain on about 15 daysHighs around 93 °F (34 °C), lows around 81 °F (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 (100 °F); September and October bring street flooding in short bursts.Cool season Nov–Feb is the easy window; April reaches 100 °F (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.
Compare two months
Weather, crowds and prices for any two months in Bangkok, side by side.
Verdict
May: Avoid
Jan: Great (better)
Daytime high
May: 34 °C (93 °F)93 °F (34 °C)
Jan: 32 °C (90 °F)90 °F (32 °C)
Night low
May: 27 °C (81 °F)81 °F (27 °C)
Jan: 22 °C (72 °F)72 °F (22 °C)
Rain days
May: 15
Jan: 2 (better)
Crowds
May: Low
Jan: High
Prices
May: Low
Jan: High
Festivals listed
May: 2
Jan: 3
May: Hot and humid; first afternoon storms.
January: Cool (for Bangkok) and dry; high season; smog on still days (check AQI).
Bangkok: figures are long-term averages from this guide, not a forecast.
What to pack
- Light, breathable clothes, a sun hat and sunscreen
- A rain jacket or umbrella and shoes that dry fast