Bangkok in October
Central plains and the capital
Highs of 33°C and lows of 25°C, 289 mm of rain on about 14 days, 5.1 hours of sun a day.
Still wet in the first half of the month, then the rains ease. Prices are low before high season begins.
Practical guide
Thailand in October
A transition month. The north clears, the west improves and the Gulf turns wet.
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- Updated
- 2 Oct 2026
By Mac Kiley · 3 min read
Is October a Good Time to Visit Thailand?
October is a transition month, and it's better at the end than at the start. Chiang Mai and the north clear first, Bangkok's rains ease in the second half, and the Andaman coast (Phuket, Krabi) dries out slowly, with the Similan Islands reopening on 15 October. The Gulf islands go the other way, with their own rainy season beginning, and Pattaya and Hua Hin have their wettest month. Prices are still low, and the month has two of the most unusual festivals in the country, the Phuket Vegetarian Festival and the end of Buddhist Lent.
October Weather in Thailand, Region by Region
Averages for eight weather stations, one for each part of the country. Tap a region in the table to jump to it, or switch to °F and inches.
| Region | High | Low | Rain | Rain days | Sea |
|---|---|---|---|---|---|
| Bangkok | 33°C | 25°C | 289 mm | 14 | – |
| Chiang Mai | 32°C | 23°C | 124 mm | 9 | – |
| Phuket | 32°C | 25°C | 336 mm | 19 | 29°C |
| Koh Samui | 31°C | 24°C | 295 mm | 16 | 29°C |
| Pattaya | 31°C | 25°C | 224 mm | 14 | 29°C |
| Hua Hin | 31°C | 25°C | 250 mm | 13 | – |
| Koh Chang | 32°C | 24°C | 338 mm | 17 | 29°C |
| Isan | 32°C | 23°C | 102 mm | 7 | – |
Chiang Mai in October
The north: Chiang Mai, Chiang Rai, Pai
Highs of 32°C and lows of 23°C, 124 mm of rain on about 9 days, 6.3 hours of sun a day.
The north clears first. Fewer rain days than September, green hills and full waterfalls make late October a lovely time to go.
Phuket in October
Andaman coast: Phuket, Krabi, Koh Lanta, Khao Lak
Highs of 32°C and lows of 25°C, 336 mm of rain on about 19 days, sea at 29°C.
Still very wet early in the month, improving toward November. The Similan Islands reopen on 15 October.
Koh Samui in October
Gulf islands: Koh Samui, Koh Phangan, Koh Tao
Highs of 31°C and lows of 24°C, 295 mm of rain on about 16 days, sea at 29°C.
The Gulf islands' rainy season begins, with more rain days than in September. It gets wetter into November.
Pattaya in October
Upper Gulf: Pattaya, Koh Samet, Rayong
Highs of 31°C and lows of 25°C, 224 mm of rain on about 14 days, sea at 29°C.
Pattaya's wettest month of the year.
Hua Hin in October
Western Gulf: Hua Hin, Cha-am, Pranburi
Highs of 31°C and lows of 25°C, 250 mm of rain on about 13 days, 5.2 hours of sun a day.
Hua Hin's wettest month, after a fairly dry rainy season.
Koh Chang in October
Eastern seaboard: Koh Chang, Koh Kood, Koh Mak
Highs of 32°C and lows of 24°C, 338 mm of rain on about 17 days, sea at 29°C.
The rains ease sharply from September, and the island starts to wake up for the season.
Isan in October
Northeast: Khon Kaen, Udon Thani, Korat, Buriram, Ubon
Highs of 32°C and lows of 23°C, 102 mm of rain on about 7 days, 6.7 hours of sun a day.
Clearing, with far fewer rain days than September. The Naga fireballs on the Mekong mark the end of Buddhist Lent.
Source WMO Climatological Standard Normals 1991–2020 (Thai Meteorological Department stations). Averages for 1991–2020, and rain days count days with at least 1 mm. Sea temperatures: Climates to Travel monthly sea-surface averages. Koh Chang uses the Trat station on the facing mainland and Isan uses Khon Kaen.
Arriving in Chiang Mai
Where to stay in October
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Where to Go in Thailand in October
Chiang Mai and the north are the best choice in October, with Bangkok and, later in the month, the Andaman coast close behind. Leave the Gulf islands for January onward.
Phuket for the Vegetarian Festival
If your dates fall on it, the Vegetarian Festival is the most theatrical event in Thailand, with processions, firewalking and spirit mediums around Phuket Old Town's Chinese shrines.
The Mekong for the end of Lent
On the night Buddhist Lent ends, crowds gather on the banks of the Mekong in Nong Khai province to watch for the Naga fireballs, glowing lights said to rise from the river.
Festivals and Holidays in October
October is one of the year's busiest months for festivals.
Phuket Vegetarian Festival, 10–18 October 2026
Nine days of Taoist ritual on the first nine days of the ninth Chinese lunar month, so the dates move each year. Processions start early in the morning, and the food stalls around the shrines serve vegetarian food all week, marked with yellow flags.
13 October, King Bhumibol Memorial Day
A public holiday marking the death of the late king.
23 October, Chulalongkorn Day
A public holiday honoring King Chulalongkorn (Rama V).
End of Buddhist Lent, 26 October 2026
Ok Phansa ends the three-month Lent, with candlelit processions at temples, illuminated boat processions in some towns, and the Naga fireball night in Nong Khai. Alcohol sales are banned for the day except in hotels and some licensed venues.
Full Moon Party, 27 October 2026
Moved a day to avoid the end of Lent. Haad Rin, Koh Phangan, in the island's wetter season.
Prices, Crowds and Booking Ahead
What to Pack for Thailand in October
A light rain jacket
Still needed, especially early in the month and on the Gulf islands.
White clothes for the Vegetarian Festival
Devotees wear white during the festival, and visitors who join the processions usually do too.
Temple clothes
Shoulders and knees covered, especially around the end of Lent, when temples are busy.
Sun protection
Once the rain clears, the sun is strong.
Frequently Asked Questions
Common questions about thailand in october.
Other months, and the whole year at a glance
Where to stay in Chiang Mai
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Written by
Mac Kiley
I lived in Bangkok for four years and traveled the country from there. The guides are my own opinions, written the way I'd explain them to a friend planning a trip.
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