Quick answer: The best time to visit Phuket is the dry season, November to April — sunshine, calm seas and the liveliest beaches (peak is December to February). The monsoon (May to October) is greener, cheaper and quieter, with daily rain. It’s warm (28–33°C) all year.
Phuket weather by month
| Month | Avg high | Conditions |
|---|---|---|
| January | ~32°C | Dry, sunny, peak |
| February | ~33°C | Dry, sunny, peak |
| March | ~34°C | Hot, dry |
| April | ~34°C | Very hot, humid |
| May | ~32°C | Monsoon begins |
| June | ~31°C | Rainy, value |
| July | ~31°C | Rainy spells |
| August | ~31°C | Wet, value |
| September | ~31°C | Wettest month |
| October | ~31°C | Wet, easing |
| November | ~31°C | Drying, great |
| December | ~31°C | Dry, sunny, peak |
Seasons explained
The dry season (Nov–Apr) has the calmest seas and best beach weather — ideal for island-hopping to Phi Phi and the Similans. The green/monsoon season (May–Oct) sees short, heavy downpours rather than all-day rain, with lush scenery and the year’s lowest prices — but watch for strong currents and red-flag beach warnings.
What to pack
Light, breathable clothing, strong sunscreen and a hat year-round; add a compact rain jacket and quick-dry shoes for the green season.
The Real Sweet Spot: Why Late November Beats Peak Season
The dry season runs December through March and December is when the island peaks: rainfall drops to around 72mm across roughly 8 wet days, but Christmas and New Year rates can run two to three times their low-season level, and the west-coast beaches fill fast. If you want that same blue-sky weather without paying the holiday premium, target the second half of November. By mid-to-late November the southwest monsoon has eased, seas calm down, and room rates sit only about 20 to 30 percent above low season instead of double or triple.
Each window delivers something different:
- Dec to March (peak): calmest seas, daytime highs near 32C, highest prices and crowds.
- Late November (shoulder): improving weather, around 177mm of rain easing through the month, far smaller crowds.
- May to October (green season): cheapest stays, lush scenery, afternoon downpours rather than all-day rain.
The period to avoid is September, the wettest month at roughly 318mm and the worst of the monsoon’s late peak, when rough surf closes some beaches to swimming. One reason to brave October instead: the Phuket Vegetarian Festival, held 21 to 29 October in 2025, fills Old Town with street processions and shrine rituals.
FAQ
What is the best month to visit Phuket? November to February for reliable sun and calm seas.
Is Phuket OK in the rainy season? Yes — it’s cheaper and green, with rain usually in short bursts.
Plan with our Thailand itinerary and best time to visit Thailand.
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Written by
John Morrison is the founder and lead travel writer at Packzup. Over the past decade he has explored destinations across Africa, the Americas, Asia, Europe, the Middle East, and Oceania — always self-funded, never on a press trip.