Spring (March–May): Average 7–17°C, 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 22–27°C, 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 9–24°C, 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 -1.5–1.2°C, 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. 13°C / Annual rainfall: approx. 1337 mm / Summer humidity: 70%–80% / Rainiest month: August
Incheon monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-1.5°C
22.3
February
1.2°C
22.7
March
7°C
38
April
13.4°C
42
May
17.3°C
87.3
June
22.1°C
168
July
25.9°C
309.7
August
26.8°C
340.3
September
23.6°C
140
October
15.9°C
67
November
9°C
68.7
December
-0.2°C
31.7
Incheon weather for the next seven days
10/14
Tuesday
Patchy rain nearby
18°C/15.6°C
10/15
Wednesday
Moderate rain
20.6°C/16.7°C
10/16
Thursday
Patchy rain nearby
22.8°C/16.5°C
10/17
Friday
Heavy rain
22.1°C/17.8°C
10/18
Saturday
Moderate rain
17.3°C/12.1°C
10/19
Sunday
Sunny
11.8°C/7.8°C
10/20
Monday
Partly Cloudy
13.7°C/6.9°C
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