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Incheon Weather and climate
Data source：Meteostat
Update date：2025-09
Incheon year round climate
- Spring (March–May): Average 44–62°F, mild climate, but occasional rain. March and April offer pleasant weather. Common activities: picnics, flower viewing, sightseeing. Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
- Summer (June–August): Average 71–80°F, hot and humid, frequent rainfall, especially in August. Common activities: beach activities, indoor activities. Recommended clothing: light and breathable clothing, sun hat, sunscreen.
- Autumn (September–November): Average 48–75°F, pleasant and comfortable, cool and dry, ideal for enjoying autumn scenery. Common activities: maple leaf viewing, outdoor excursions. Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
- Winter (December–February): Average -34–34°F, cold and dry, little snowfall. Common activities: indoor activities, museum visits. Recommended clothing: warm coat, scarf, hat, gloves.
Incheon climatological average
Annual average temperature: approx. 55.4°F / Annual rainfall: approx. 1337 mm / Summer humidity: 70%–80% / Rainiest month: August
Incheon monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
29.3°F
22.3
February
34.2°F
22.7
March
44.6°F
38
April
56.1°F
42
May
63.1°F
87.3
June
71.8°F
168
July
78.6°F
309.7
August
80.2°F
340.3
September
74.5°F
140
October
60.6°F
67
November
48.2°F
68.7
December
31.6°F
31.7
Incheon weather for the next seven days
10/14
Tuesday
Patchy rain nearby
64.4°F/60°F
10/15
Wednesday
Moderate rain
69.2°F/62°F
10/16
Thursday
Patchy rain nearby
73.1°F/61.7°F
10/17
Friday
Heavy rain
71.8°F/64°F
10/18
Saturday
Moderate rain
63.1°F/53.8°F
10/19
Sunday
Sunny
53.3°F/46.1°F
10/20
Monday
Partly Cloudy
56.7°F/44.4°F
