🇯🇵 Osaka vs Seoul 🇰🇷

Osaka, Japan vs Seoul, South Korea — a side-by-side climate comparison to help you pick. Osaka is the warmer of the two — about 4 degrees warmer on average across the year. Osaka is drier, with roughly 21 fewer rainy days a year.

Climate at a glance

🇯🇵 Osaka🇰🇷 Seoul
Avg annual high21°C17°C
Hottest monthJuly (33°C)August (30°C)
Coldest monthJanuary (2°C low)January (-6°C low)
Rainy days / year91112
SnowRareYes
Best months to visitApril, October, NovemberMay, September, October

🇯🇵 Osaka

Best around April, October, November. Hottest in July (33°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 Osaka or Seoul warmer?

Osaka is warmer overall, averaging about 4 degrees higher across the year.

Which is rainier, Osaka or Seoul?

Seoul is rainier — Osaka sees about 21 fewer rainy days per year.

When is the best time to visit Osaka vs Seoul?

Osaka is best around April, October, November; Seoul is best around May, September, October.

Not sure? Find your ideal destination by climate →