Incheon International Airport

Airport Airport

IATA Code
ICN
ICAO Code
RKSI
Airport Type
Large Airport
Class
International

Weather & Climate near Incheon International Airport #

Climate

Incheon International Airport's climate is classified as Hot-Summer Continental (Dry Winter) - Hot-Summer Continental (Dry Winter) climate with hot summers (peaking in August) and freezing winters (coldest in January). Temperatures range from -8°C to 29°C. Abundant rainfall (1275 mm/year), wettest in July.

Air Quality: AQI 81 Moderate
Best Time to Visit
OctoberJuneSeptember
Temperature & Rainfall
Temperature Range
32°
Warmest Month
-14°
Coldest Month
Monthly Conditions

January

January is the coldest month with highs of 0°C and lows of -8°C. Moderate rainfall (30 mm) and partly cloudy skies.

47 Poor

Comfort

-4°
Feels Like Freezing
-4°C
Temperature
-8°
74%
Humidity
Very Humid

Weather

30 mm
Rainfall
3.3 m/s
Wind
Light Breeze
0.3
UV Index
Low
9.8h daylight

February

February is freezing with highs of 3°C and lows of -5°C. Moderate rainfall (31 mm) and partly cloudy skies.

56 Acceptable

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-5°
73%
Humidity
Very Humid

Weather

31 mm
Rainfall
3.8 m/s
Wind
Light Breeze
0.4
UV Index
Low
10.7h daylight

March

March is cold with highs of 9°C and lows of 1°C. Moderate rainfall (48 mm) and partly cloudy skies.

64 Good

Comfort

Feels Like Cold
C
Temperature
76%
Humidity
Very Humid

Weather

48 mm
Rainfall
3.4 m/s
Wind
Light Breeze
0.7
UV Index
Moderate
11.8h daylight

April

April is cool with highs of 17°C and lows of 7°C. Regular rainfall (81 mm) and partly cloudy skies.

70 Very Good

Comfort

12°
Feels Like Cool
12°C
Temperature
17°
79%
Humidity
Very Humid

Weather

81 mm
Rainfall
3.3 m/s
Wind
Light Breeze
1.1
UV Index
High
13.0h daylight

May

May is cool with highs of 22°C and lows of 12°C. Regular rainfall (95 mm) and partly cloudy skies.

72 Very Good

Comfort

17°
Feels Like Cool
17°C
Temperature
12° 22°
81%
Humidity
Very Humid

Weather

95 mm
Rainfall
3.0 m/s
Wind
Light Breeze
1.4
UV Index
High
14.0h daylight

June

June is mild with highs of 26°C and lows of 17°C. Significant rainfall (138 mm) and partly cloudy skies.

73 Very Good

Comfort

22°
Feels Like Mild
22°C
Temperature
17° 26°
83%
Humidity
Very Humid

Weather

138 mm
Rainfall
2.7 m/s
Wind
Calm
1.3
UV Index
High
14.5h daylight

July

July is warm with highs of 28°C and lows of 21°C. The wettest month with heavy rain (287 mm) and mostly overcast skies.

65 Good

Comfort

25°
Feels Like Warm
25°C
Temperature
21° 28°
89%
Humidity
Very Humid

Weather

287 mm
Rainfall
2.9 m/s
Wind
Calm
1.3
UV Index
High
14.3h daylight

August

August is the warmest month with muggy conditions (dew point 22°C). Heavy rain (272 mm) and partly cloudy skies.

69 Good

Comfort

25°
Feels Like Warm
25°C
Temperature
22° 29°
85%
Humidity
Very Humid

Weather

272 mm
Rainfall
2.7 m/s
Wind
Calm
1.4
UV Index
High
13.4h daylight

September

September is mild with highs of 25°C and lows of 16°C. Significant rainfall (152 mm) and partly cloudy skies.

73 Very Good

Comfort

21°
Feels Like Mild
21°C
Temperature
16° 25°
77%
Humidity
Very Humid

Weather

152 mm
Rainfall
2.6 m/s
Wind
Calm
1.1
UV Index
High
12.3h daylight

October

October is cool with highs of 19°C and lows of 9°C. Moderate rainfall (56 mm).

75 Very Good

Comfort

14°
Feels Like Cool
14°C
Temperature
19°
71%
Humidity
Very Humid

Weather

56 mm
Rainfall
2.9 m/s
Wind
Calm
0.7
UV Index
Moderate
11.1h daylight

November

November is cold with highs of 10°C and lows of 1°C. Moderate rainfall (56 mm) and partly cloudy skies.

64 Good

Comfort

Feels Like Cold
C
Temperature
10°
72%
Humidity
Very Humid

Weather

56 mm
Rainfall
3.4 m/s
Wind
Light Breeze
0.4
UV Index
Low
10.0h daylight

December

December is freezing with highs of 3°C and lows of -6°C. The driest month with just 29 mm and partly cloudy skies.

58 Acceptable

Comfort

-1°
Feels Like Freezing
-1°C
Temperature
-6°
74%
Humidity
Very Humid

Weather

29 mm
Rainfall
3.2 m/s
Wind
Light Breeze
0.2
UV Index
Low
9.5h daylight

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