🇯🇵 Sendai vs Seoul 🇰🇷

Sendai, Japan vs Seoul, South Korea — a side-by-side climate comparison to help you pick. Both cities run similar average temperatures year-round. Seoul is drier, with roughly 44 fewer rainy days a year.

Climate at a glance

🇯🇵 Sendai🇰🇷 Seoul
Avg annual high17°C17°C
Hottest monthAugust (28°C)August (30°C)
Coldest monthJanuary (-2°C low)January (-6°C low)
Rainy days / year156112
SnowRareYes
Best months to visitMay, June, OctoberMay, September, October

🇯🇵 Sendai

Best around May, June, October. Hottest in August (28°C), coldest lows in January (-2°C).

🇰🇷 Seoul

Best around May, September, October. Hottest in August (30°C), coldest lows in January (-6°C).

Frequently asked questions

Is Sendai or Seoul warmer?

Sendai and Seoul have very similar average temperatures.

Which is rainier, Sendai or Seoul?

Sendai is rainier — Seoul sees about 44 fewer rainy days per year.

When is the best time to visit Sendai vs Seoul?

Sendai is best around May, June, October; Seoul is best around May, September, October.

Not sure? Find your ideal destination by climate →