Less good
Thailand in May: Weather, Crowds & What's On
What May is actually like in Thailand — average highs and lows, how much rain to expect, public holidays that fill trains and hotels, and verified places to go.
- Average high
- 34°C
- Average low
- 26°C
- Rainfall
- 187mm
Where this month sits in the year
The 4th warmest month of Thailand's year. The 5th wettest month, at 12% of the year's rain.
Public holidays in May
Domestic travel peaks around these dates — book earlier and expect busier sights.
- May 1, 2027 วันแรงงานแห่งชาติ · National Labor Day
- May 3, 2027 ชดเชยวันแรงงานแห่งชาติ · National Labor Day (in lieu)
- May 4, 2027 วันฉัตรมงคล · Coronation Day
- May 20, 2027 วันวิสาขบูชา · Visakha Bucha
Planning a trip this month?
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Climate figures are 10-year averages for Bangkok, from NASA POWER; holidays from public calendars. Updated monthly.