🇻🇳 Hoi An vs Seoul 🇰🇷
Hoi An, Vietnam vs Seoul, South Korea — a side-by-side climate comparison to help you pick. Hoi An is the warmer of the two — about 13 degrees warmer on average across the year. Seoul is drier, with roughly 16 fewer rainy days a year.
Climate at a glance
| 🇻🇳 Hoi An | 🇰🇷 Seoul | |
|---|---|---|
| Avg annual high | 30°C | 17°C |
| Hottest month | June (34°C) | August (30°C) |
| Coldest month | January (19°C low) | January (-6°C low) |
| Rainy days / year | 128 | 112 |
| Snow | Rare | Yes |
| Best months to visit | January, February, March | May, September, October |
🇻🇳 Hoi An
Best around January, February, March. Hottest in June (34°C), coldest lows in January (19°C).
🇰🇷 Seoul
Best around May, September, October. Hottest in August (30°C), coldest lows in January (-6°C).
Frequently asked questions
Is Hoi An or Seoul warmer?
Hoi An is warmer overall, averaging about 13 degrees higher across the year.
Which is rainier, Hoi An or Seoul?
Hoi An is rainier — Seoul sees about 16 fewer rainy days per year.
When is the best time to visit Hoi An vs Seoul?
Hoi An is best around January, February, March; Seoul is best around May, September, October.