Best Time to Visit Jeju, Jeju, South Korea
Month-by-month climate guide for planning a trip to Jeju.
Jeju does not have a month that clearly fits our sunny profiles. Its practical travel window centres on its warmest (August, 26.6°C / 79.9°F) and driest (December, 52 mm / 2 in) months. The drier stretch runs through October–April; the wetter half falls in May–September. At the city itself, monthly average temperatures range from 5.2°C / 41.4°F in January to 26.6°C / 79.9°F in August, with rainfall from 52 mm / 2 in (December) to 279 mm / 11 in (July). These are point-value climate normals sampled at Jeju, Jeju, Korea, Republic of's coordinates — usually more actionable for travellers than the country-wide average. Jeju's climate is broadly seasonal. The full month-by-month table below lets you match your travel window against our five weather profiles.
Recommended months
| Month | Temp | Rain | Feels like |
|---|---|---|---|
| October | 17.9°C64.2°F | 75 mm3″ | — |
| November | 12.4°C54.3°F | 76 mm3″ | — |
| December | 7.5°C45.5°F | 52 mm2″ | — |
No month at Jeju matches our sunny profiles. The three above are the driest-and-warmest fallback.
Frequently asked questions
When is the best time to visit Jeju?
Jeju doesn't have a month that clearly matches our sunny profiles. The practical travel window centres on December (driest, ~52 mm / 2 in) and August (warmest, 26.6°C / 79.9°F). Because these are point values at the city, they can differ substantially from Korea, Republic of's national average.
When is the rainy season in Jeju?
The rainy season at Jeju, Jeju runs through May–September, when monthly rainfall exceeds the annual median of about 150 mm / 5.9 in. The wettest single month is July (279 mm / 11 in).
What is the driest month in Jeju?
The driest month in Jeju is December, averaging about 52 mm / 2 in of rainfall. Temperature that month averages 7.5°C / 45.5°F.
What months should I avoid visiting Jeju?
The least comfortable months for travel to Jeju — based on point-value climate at the city — are January, February, March, June, July, August, December. These are the wettest or coolest months at this location. Rainfall peaks at 279 mm / 11 in in July, and the coldest month averages 5.2°C / 41.4°F.
Is Jeju climate different from Korea, Republic of overall?
Yes, usually. Our Jeju figures are point-value climate normals sampled at the city itself, while our Korea, Republic of figures are area-weighted averages across the whole country. The two can diverge substantially in geographically diverse or elevation-varied countries. The month-by-month table below reflects Jeju specifically — usually the more actionable data for a traveller planning to spend time in the city.