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Incheon

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Incheon Weather, Climate and Best Time to Visit

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

3/21
Saturday
Sunny
46.1°F/40.7°F
3/22
Sunday
Partly Cloudy
49.6°F/43.2°F
3/23
Monday
Sunny
51.4°F/43.7°F
3/24
Tuesday
Overcast
49.5°F/45.1°F
3/25
Wednesday
Sunny
49.9°F/45.2°F
3/26
Thursday
Sunny
52.2°F/46.2°F
3/27
Friday
Overcast
54.9°F/48.5°F