🇻🇳 Hanoi vs Seoul 🇰🇷
Hanoi, Vietnam vs Seoul, South Korea — a side-by-side climate comparison to help you pick. Hanoi is the warmer of the two — about 11 degrees warmer on average across the year. Seoul is drier, with roughly 29 fewer rainy days a year.
Climate at a glance
| 🇻🇳 Hanoi | 🇰🇷 Seoul | |
|---|---|---|
| Avg annual high | 28°C | 17°C |
| Hottest month | June (33°C) | August (30°C) |
| Coldest month | January (14°C low) | January (-6°C low) |
| Rainy days / year | 141 | 112 |
| Snow | Rare | Yes |
| Best months to visit | January, February, December | May, September, October |
🇻🇳 Hanoi
Best around January, February, December. Hottest in June (33°C), coldest lows in January (14°C).
🇰🇷 Seoul
Best around May, September, October. Hottest in August (30°C), coldest lows in January (-6°C).
Frequently asked questions
Is Hanoi or Seoul warmer?
Hanoi is warmer overall, averaging about 11 degrees higher across the year.
Which is rainier, Hanoi or Seoul?
Hanoi is rainier — Seoul sees about 29 fewer rainy days per year.
When is the best time to visit Hanoi vs Seoul?
Hanoi is best around January, February, December; Seoul is best around May, September, October.