World Resorts South Korea Incheon

Incheon Monthly Weather Averages

Please click on any column to get detailed information about Incheon weather in that particular month. You will get daily weather information for that month for the last several years.

Day & Night air temperature, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
14
28
42
56
70
84
98
112
38.0
52.7
65.9
78.3
84.2
81.9
75.3
67.4
58.1
48.2
37.6
34.2
34.5
48.5
60.9
72.0
78.0
75.4
68.3
60.4
52.4
43.1
32.9
30.3
Day temperature   
Night temperature

The warmest month in Incheon is august. The average daily temp is 84.2°F. The average nightly temp is 78.0°F.

Sea water temperature, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
13
26
39
52
65
78
91
104
46.2
57.1
67.2
75.2
78.8
74.4
67.4
57.9
48.7
41.1
36.9
39.2

The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 78.8°F.

Precipitation total, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.7
3.4
5.1
6.8
8.5
10.2
11.9
1
2.2
3.3
5.1
9.7
10
4.9
4.2
2.3
1.6
0.7
0.7

January is the month with least precipitations during the year. The average precipitation totals for this month is 0.7 in. The month with most precipitation total is July.

Number of rainy days

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
9
10
11
12
2
4
3
5
9
10
5
5
3
2
1
1

This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.

Wind speed, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
9
10
11
12
13
10.8
10.3
9.2
8
8.1
7.7
7.5
9
9.5
9.7
10.6
10.2
Sunny, partly cloudy and cloudy days
1
2
3
4
5
6
7
8
9
10
11
12
0
5
10
15
20
25
30
35
8
6
4
6
9
12
6
5
6
5
6
7
10
9
10
9
12
8
8
9
7
9
7
10
13
14
17
15
10
11
17
17
17
16
15
14
Cloudy days   
Partly cloudy days   
Sunny days
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
1
2
3
4
5
6
7
8
9
10
11
5.4
6.5
7.6
7.6
7
7.1
9.2
9.7
8.8
7.9
7.1
6.1

Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.

* Charts above show average data for the last 3 years.

Best time for vacation in Incheon

Sunniest months:
October 19 days
May 19 days
March 18 days
Warmest months:
August 84.5 °F
July 82.0 °F
September 78.6 °F
Warmest sea temp:
August 78.8 °F
September 75.2 °F
July 74.4 °F
Coldest months:
January 33.9 °F
February 37.6 °F
December 38.0 °F
Rainiest months:
July 11 days
August 9 days
June 5 days
Windiest months:
December 11.1 mph
November 10.3 mph
February 10.3 mph

Incheon on a weather map

Leaflet | Tiles © Esri
Places in South Korea:
Name
°F
Yongpyong
+57°F
Incheon
+50°F
Muju
+63°F
Busan
+57°F
Seoul
+52°F
Jeju
+63°F
24 Hours Forecast
Incheon
Local time: 19:12
April 09, wednesday
2100
50°F
NW
1 mph
April 10, thursday
0000
50°F
N
3 mph
0300
50°F
N
4 mph
0600
48°F
N
2 mph
0900
48°F
SE
3 mph
1200
52°F
E
4 mph
1500
54°F
E
10 mph
1800
52°F
E
9 mph
Units of measurement: °C / °F