Temperature
Warm by day, warm at night.
84°Ftypical Aug high
Jeju City is most comfortable in June and October. Summers are warm and winters are cool.

Warm by day, warm at night.
One of the wettest months.
Cloudier spells limit sunshine.
Warm days, with brief hot afternoons and occasional humid spells.
Mostly cloudy skies.
Want a side-by-side climate view? Compare Jeju City with Elba.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 4, 2026
Data & methodology