The wettest month in the normals and the best-value one in practice: the sea calms week by week, the Similans reopen, and the Vegetarian Festival takes over Phuket Town.
Dataset checked 2026-09-08: 39 entries covering September 2026 to Dezember 2027, of which 17 carry an approximate date. Weather and crowd figures on this page are medians from our climate and tourism datasets.
Quelle: Open-Meteo (ERA5), 2015–2026; Ministry of Tourism and Sports, Thailand · Alle Quellen
Source-market holiday
1.–7. Oktober 2026 · China
A short, sharp demand spike inside a low-rate month: flights from China and package rates rise, island hotel medians move much less. Book Phi Phi and Racha trips with a refundable operator that week, because rough-sea cancellations are common.
Festival
10.–18. Oktober 2026 · Phuket Town
Phuket Town hotels sell out for the nine days while the beach areas barely notice; taxi and minibus demand into town triples on procession mornings. Streets on the route close from dawn, firecracker smoke is constant, and almost every kitchen in the Old Town switches to a vegan menu.
Thai public holiday
13. Oktober 2026
No effect on hotel rates. Plan any immigration, licence or bank errand around it, and expect Thai domestic crowds on Kata, Karon and Nai Harn if the day extends a weekend.
Source-market holiday
16. Oktober – 1. November 2027 · approximate
The first real demand of the season, still at low-season prices in most of the island. Villas and hotels that publish a mid-October rate change are the exception; book before the switch and the same room costs meaningfully less than in the first week of November.
Thai public holiday
23. Oktober 2026
A domestic long-weekend spike rather than an international one: Thai family bookings in Kata, Karon and Patong, busy beaches, heavier traffic on the Chalong and airport roads. Government counters are closed.
Source-market holiday
18. September – 10. Oktober 2027 · approximate · Australien
Adds demand to the last weeks of the low season, when rate cards have not yet switched over. Combined with the Chinese Golden Week at the start of October it makes the first half of October busier than the second half of September, at the same price.
15. Okt. 2026 – 15. Mai 2027
The single hardest constraint on a Phuket itinerary: a trip planned between 16 May and 14 October cannot include the Similans at all. Inside the window, December to February sells out first and April is the quietest month with good sea.
1. Mai – 31. Oktober 2027
Explains the low-season discount better than the rain does. It is also the reason island day trips are cancelled at short notice between May and October: book refundable, and treat a calm west-coast beach day as a bonus rather than the plan.
Medians per calendar month over 2015–2025. Open-Meteo (ERA5), 2015–2026.
A median Oktober carries 340 mm of rain over 28 days, of which 4 bring more than 20 mm. Daily highs sit around 29.0 °C and nights around 24.4 °C, with about 286 hours of sunshine in the month and humidity near 86%. The sea off the west coast is ruhig: a median Oktober has 2 rough-sea days, and the surface water sits around 29.5 °C.
Mu Ko Similan National Park is open in Oktober.
| Month | Median rain | Rain days | Daily high | Nightly low | Sunshine | Rough-sea days |
|---|---|---|---|---|---|---|
| Januar | 37 | 10 | 29.5 | 24.4 | 329 | 0 |
| Februar | 21 | 7 | 30.7 | 24.7 | 312 | 0 |
| März | 73 | 14 | 31.7 | 25.4 | 343 | 0 |
| April | 183 | 25 | 30.7 | 25.7 | 311 | 0 |
| Mai | 343 | 28 | 29.8 | 25.6 | 298 | 4 |
| Juni | 275 | 22 | 29.3 | 25.9 | 284 | 8 |
| Juli | 241 | 24 | 29.2 | 25.8 | 279 | 13 |
| August | 270 | 25 | 28.9 | 25.3 | 277 | 9 |
| September | 309 | 25 | 28.7 | 24.8 | 248 | 12 |
| Oktober | 340 | 28 | 29.0 | 24.4 | 286 | 2 |
| November | 270 | 27 | 28.7 | 24.5 | 260 | 0 |
| Dezember | 113 | 16 | 29.2 | 24.1 | 298 | 0 |
A median Oktober brings 999,372 hotel guest arrivals in Phuket with occupancy around 75.6%, which makes it the 9th busiest month of the twelve in the Ministry of Tourism and Sports series. Occupancy at this level is what pushes hotel and villa rate cards to their high-season level, and it is why the island’s best inventory is committed months ahead.
Oktober is a transition month — the rate card is moving between its two levels, which is what makes the timing within the month matter more than usual.
| Segment | Median | n | Stand |
|---|---|---|---|
| 3★-Hotel, Inselmedian pro Nacht | $34 | 177 | September 2026 |
| 4★-Hotel, Inselmedian pro Nacht | $62 | 210 | September 2026 |
| 5★-Hotel, Inselmedian pro Nacht | $141 | 87 | September 2026 |
| Villa mit 3 Schlafzimmern, Inselmedian pro Monat | $3,975 | 125 | September 2026 |
Current island medians, observed September 2026, with the sample size behind each figure. The index has one observation month so far, so no per-month price history exists yet — it accrues from September 2026. Preisindex →
Quelle: Ministry of Tourism and Sports, Thailand, 2023–2025 · Alle Quellen · 2026-09-05
October is the most misread month of the Phuket year. The rain figures are the highest of the twelve, which keeps prices at their low-season level to the very end of the month — but the swell is dropping every week, the sea is usable far more often than in July or August, and the Similan park reopens on the fifteenth. The gap between what the rain column says and what the sea does is exactly where the value is.
The Vegetarian Festival is the month's defining event in most years: nine days of shrine processions, firecrackers, spirit mediums and vegan street food that turn Phuket Town into something no other Thai province does at that scale. It fills the town's hotels and empties its ordinary restaurant menus, and the beach areas barely notice.
The rest of the month is a queue of arrivals: China's Golden Week in the first week, Australian spring school holidays through the middle, and the European autumn half-terms in the second half. Two Thai royal holidays — the thirteenth and the twenty-third — bracket it with domestic long weekends.
Travellers who cannot tolerate rain at all — the totals really are the year's highest, even if they fall in bursts.
China National Day Golden Week (1.–7. Oktober 2026); Phuket Vegetarian Festival (Nine Emperor Gods) (10.–18. Oktober 2026); King Bhumibol Memorial Day (13. Oktober 2026); European autumn half-terms (16. Oktober – 1. November 2027). And 2 more entries on the calendar page.
A median Oktober has 340 mm of rain over 28 days, daily highs around 29.0 °C and nights around 24.4 °C, from eleven years of reanalysis data. Mu Ko Similan National Park is open in Oktober.
Yes. A median Oktober has 2 rough-sea days on the west coast, so Patong, Kata, Karon, Kamala and Surin are normally swimmable and the sea sits around 29.5 °C. Red flags still go up on individual days — they mean what they say.
Oktober is a transition month — the rate card is moving between its two levels, which is what makes the timing within the month matter more than usual.