🇹🇭 Koh Samui vs Tokyo 🇯🇵
Koh Samui, Thailand vs Tokyo, Japan — a side-by-side climate comparison to help you pick. Koh Samui is the warmer of the two — about 9 degrees warmer on average across the year. Tokyo is drier, with roughly 198 fewer rainy days a year.
Climate at a glance
| 🇹🇭 Koh Samui | 🇯🇵 Tokyo | |
|---|---|---|
| Avg annual high | 29°C | 20°C |
| Hottest month | April (31°C) | August (31°C) |
| Coldest month | January (25°C low) | January (1°C low) |
| Rainy days / year | 306 | 108 |
| Snow | Rare | Yes |
| Best months to visit | February, March, December | April, May, October |
🇹🇭 Koh Samui
Best around February, March, December. Hottest in April (31°C), coldest lows in January (25°C).
🇯🇵 Tokyo
Best around April, May, October. Hottest in August (31°C), coldest lows in January (1°C).
Frequently asked questions
Is Koh Samui or Tokyo warmer?
Koh Samui is warmer overall, averaging about 9 degrees higher across the year.
Which is rainier, Koh Samui or Tokyo?
Koh Samui is rainier — Tokyo sees about 198 fewer rainy days per year.
When is the best time to visit Koh Samui vs Tokyo?
Koh Samui is best around February, March, December; Tokyo is best around April, May, October.