🇹🇭 Koh Samui vs Phuket 🇹🇭
Koh Samui, Thailand vs Phuket, Thailand — a side-by-side climate comparison to help you pick. Phuket is the warmer of the two — about 3 degrees warmer on average across the year. Phuket is drier, with roughly 144 fewer rainy days a year.
Climate at a glance
| 🇹🇭 Koh Samui | 🇹🇭 Phuket | |
|---|---|---|
| Avg annual high | 29°C | 32°C |
| Hottest month | April (31°C) | February (33°C) |
| Coldest month | January (25°C low) | January (23°C low) |
| Rainy days / year | 306 | 162 |
| Snow | Rare | Rare |
| Best months to visit | February, March, December | January, February, December |
🇹🇭 Koh Samui
Best around February, March, December. Hottest in April (31°C), coldest lows in January (25°C).
🇹🇭 Phuket
Best around January, February, December. Hottest in February (33°C), coldest lows in January (23°C).
Frequently asked questions
Is Koh Samui or Phuket warmer?
Phuket is warmer overall, averaging about 3 degrees higher across the year.
Which is rainier, Koh Samui or Phuket?
Koh Samui is rainier — Phuket sees about 144 fewer rainy days per year.
When is the best time to visit Koh Samui vs Phuket?
Koh Samui is best around February, March, December; Phuket is best around January, February, December.