Gulf islands' dry season
June to August
While the Andaman side gets rain, Koh Samui, Koh Phangan and Koh Tao are drier, which makes this a great time to go. Pack swimwear, a rash guard and snorkel gear.
🇹🇭 Thailand · Rainy season (Jun–Oct)
June averages for Bangkok. Source
June brings regular afternoon storms, but mornings are often clear. The Gulf islands (Koh Samui, Koh Tao) are a better beach choice. Quick-dry fabrics and waterproof sandals.
Quick-dry tops, light trousers and waterproof sandals.
A thin layer for icy malls and BTS trains.
Typical dates. Many festivals follow lunar calendars, so check this year's dates before you book.
June to August
While the Andaman side gets rain, Koh Samui, Koh Phangan and Koh Tao are drier, which makes this a great time to go. Pack swimwear, a rash guard and snorkel gear.
June or July, Dan Sai (Loei)
Colourful ghost masks and parades. It is a muddy, rainy-season party, so wear quick-dry clothes and sandals.
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