When to visit

Is October a good time to go to Thailand?

Updated 5 June 2026

Short answer

October is a transitional month and where you go matters enormously. The Andaman coast (Phuket) is drying out fast, with late October being much better than early October. The Gulf coast (Samui, Phangan) is at its worst: October and November are the rainiest months on the Gulf side, and tropical storms are possible. Bangkok and the north are improving significantly. Prices stay low because October's mixed reputation keeps tourists away, even when late-October weather is good.

October is the month where the two Thai coasts reverse direction. The Andaman is coming out of monsoon; the Gulf is going into its worst period. It's the single most important month to understand the two-coast distinction.

The Andaman coast: improving

Phuket and Krabi are still wet in early October, around 200mm for the month on average, but the transition toward dry season is underway. The first two weeks of October look like late monsoon: afternoon storms, some rough days. The second half of October starts showing the dry season's character: clearer mornings, improving seas, less frequent rain.

By the last week of October, Phuket can have genuinely good beach days. Not January reliable, but workable. Booking flexible or refundable accommodation for the first half of October is wise. Late October bookings carry less weather risk.

The Gulf coast: at its worst

Koh Samui and Koh Phangan should be avoided in October. This is the beginning of their worst weather period, which peaks in November. Samui averages 250-300mm in October and tropical depressions can move through this part of the Gulf, bringing multi-day sustained rain. Ferries between islands get cancelled. Beach activities stop.

Koh Tao is slightly more sheltered than Samui and Phangan, positioned differently relative to the northeast monsoon. Diving conditions can still be acceptable at Koh Tao in October, though variable.

Bangkok and the north

Bangkok is drying out through October. The rainy season winds down from October onward, and by mid-to-late October you're back to the pleasant Bangkok climate (28-32°C, mostly dry) that makes the city pleasant to explore. The north (Chiang Mai) is in late monsoon, still green but with rain tapering off. Both are good choices for October travel.

Loy Krathong

The festival of lights (floating krathong on rivers and canals, releasing sky lanterns) typically falls in late October or November, depending on the lunar calendar. Bangkok's Chao Phraya River celebrations and Chiang Mai's Yi Peng lantern festival are both among the best events in the Thai calendar. Worth checking specific dates for your year of travel.

Prices

October stays in shoulder-to-low season pricing because its mixed reputation keeps demand thin, even when the late-month weather on the Andaman is actually fine. Good value for Bangkok, Chiang Mai, and late-October Phuket.

For the full October breakdown, see our Thailand in October guide.