IncheonSouth Korea · East Asia · Year-round overview
CityCoastalCulture

Incheon

South Korea · East Asia

Incheon is most comfortable in May and October. Summers are warm and winters are cold. The wettest months are roughly July to August. Humidity is usually low.

Best time to go
Incheon travel scene
12 mo · Typical year
Temperature range
21°F to 82°F
Rain
8 days/mo
Sunshine
8.7 h/day
Humidity feel
Generally dry

Month-by-month fit

Temperature

Warm by day, warm at night.

82°Ftypical Aug high
20°30°40°50°60°70°80°90°HighLow82°F34°F73°F21°FJanMarMayJulSepNovCurrent month · 82°F

Precipitation

One of the wettest months.

45%wet-day frequency
051015Amount (in)0%25%50%75%100%6%JanMarMayJulSepNovCurrent month · 45%45%
AmountWet-day chance

Sunshine

Cloudier spells limit sunshine.

8.7 hAug sunshine
0 h4 h8 h12 h9.9 h7.4 hJanMarMayJulSepNovCurrent month · 8.7 h8.7 h

Heat & humidity by month

Warm days, with some 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.
More detailIncludes sky, daypart comfort, and sea

Cloud cover

Mostly cloudy skies.

36%Aug clear sky
0%25%50%75%100%56%JanMarMayJulSepNovCurrent month · 36%36%
ClearCloud cover

Sea temperature

77°Aug sea temp
35°75°80°Comfortable swim 75°+41°JanMarMayJulSepNovCurrent month · 77°77°

Similar

Want a side-by-side climate view? Compare Incheon with Barcelona.

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 1, 2026

Data & methodology