Jeju CitySouth Korea · East Asia · Year-round overview
BeachIslandCoastal

Jeju City

South Korea · East Asia

Jeju City is most comfortable in June and October. Summers are warm and winters are cool.

Best time to go
Jeju City travel scene
12 mo · Typical year
Temperature range
41°F to 84°F
Rain
10 days/mo
Sunshine
8 h/day
Humidity feel
Sometimes humid

Month-by-month fit

Temperature

Warm by day, warm at night.

84°Ftypical Aug high
40°50°60°70°80°90°HighLow84°F47°F79°F41°FJanMarMayJulSepNovCurrent month · 84°F

Precipitation

One of the wettest months.

55%wet-day frequency
01234567891011Amount (in)0%25%50%75%100%19%JanMarMayJulSepNovCurrent month · 55%55%
AmountWet-day chance

Sunshine

Cloudier spells limit sunshine.

9.8 hAug sunshine
0 h4 h8 h12 h5.4 hJanMarMayJulSepNovCurrent month · 9.8 h9.8 h

Heat & humidity by month

Warm days, with brief hot afternoons and occasional humid spells.

Very humidAug heat feel
Air-feel chart data is unavailable for this destination. Use the selected-month dew point, temperature, rain, and sunshine context together rather than treating any one metric as total comfort.

Sea temperature

81°Aug sea temp
50°75°85°Comfortable swim 75°+57°JanMarMayJulSepNovCurrent month · 81°81°
More detailIncludes sky and daypart comfort

Cloud cover

Mostly cloudy skies.

39%Aug clear sky
0%25%50%75%100%22%JanMarMayJulSepNovCurrent month · 39%39%
ClearCloud cover

Similar

Want a side-by-side climate view? Compare Jeju City with Elba.

Climate data notePlanning guidance, not a forecast

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