Ang Thong National Marine Park
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When to go
Thailand in May
Where the weather works in May, and where to skip.
- Good
Gulf coast (Samui, Pha Ngan, Tao, Songkhla)
Hot, mostly dry. Good while the Andaman side is wet.
- Mixed
The North
First rains clear the air. Hot and humid.
- Mixed
Isan
First rains. Rocket festival season across Isan.
- Mixed
Bangkok, Central and the West
Hot, first storms.
- Mixed
The East coast and islands
Monsoon arrives. Rougher seas late in the month.
- Mixed
Andaman coast (Phuket, Krabi, Trang, Satun)
Southwest monsoon arrives. Similan and Tarutao national parks close mid-May.
Festivals in May
- Bun Bang Fai (Rocket Festival), Yasothon and villages across Isan. Mid-May, usually a weekend.
Many festival dates follow the lunar calendar. Check this year's dates before you book.
Places with good weather in May
Common questions
Is May a good time to visit Thailand?
It is a mixed month. Gulf coast (Samui, Pha Ngan, Tao, Songkhla) is your best bet: Hot, mostly dry. Good while the Andaman side is wet.
What festivals are on in Thailand in May?
Bun Bang Fai (Rocket Festival) in Yasothon and villages across Isan (Mid-May, usually a weekend)
General climate patterns from the Thai Meteorological Department (tmd.go.th). Weather varies year to year; treat this as a guide, not a forecast.