World Resorts South Korea Incheon Weather

Incheon 14 Days Forecast

29.12
mon
Day
43°F
E 13 mph
Precip.
0%
Night
34°F
SE 9 mph
Precip.
0%
30.12
tue
Day
37°F
E 11 mph
Precip.
0%
Night
23°F
SE 19 mph
Precip.
0%
31.12
wed
Day
23°F
SE 17 mph
Precip.
0%
Night
19°F
SE 20 mph
Precip.
0%
01.01
thu
Day
21°F
SE 14 mph
Precip.
0%
Night
25°F
S 4 mph
Precip.
0%
02.01
fri
Day
37°F
E 12 mph
Precip.
75%
Night
32°F
SE 14 mph
Precip.
0%
03.01
sat
Day
28°F
SE 14 mph
Precip.
0%
Night
27°F
S 7 mph
Precip.
0%
04.01
sun
Day
30°F
SE 1 mph
Precip.
0%
Night
30°F
S 3 mph
Precip.
0%
05.01
mon
Day
28°F
SE 17 mph
Precip.
73%
Night
25°F
SE 15 mph
Precip.
0%
06.01
tue
Day
25°F
SE 11 mph
Precip.
0%
Night
27°F
SE 6 mph
Precip.
0%
07.01
wed
Day
32°F
SE 3 mph
Precip.
0%
Night
36°F
SE 7 mph
Precip.
82%
08.01
thu
Day
37°F
E 11 mph
Precip.
88%
Night
34°F
SE 11 mph
Precip.
0%
09.01
fri
Day
34°F
SE 8 mph
Precip.
0%
Night
34°F
E 5 mph
Precip.
0%
10.01
sat
Day
41°F
NE 17 mph
Precip.
100%
Night
27°F
SE 21 mph
Precip.
62%
11.01
sun
Day
21°F
SE 19 mph
Precip.
80%
Night
21°F
SE 16 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 47.0°F. The highest and lowest sea temperatures during the month were 52.5°F and 42.1°F.

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 37.9°F. The highest and lowest sea temperatures during the month were 41.2°F and 35.4°F.

Air temperature in Incheon, °F

Precipitation total in Incheon, in.

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

Best time for vacation in Incheon

Sunniest months:
October 18 days
May 18 days
March 18 days
Warmest months:
August 84.4 °F
July 82.0 °F
September 78.6 °F
Warmest sea temp:
August 79.1 °F
September 75.4 °F
July 74.7 °F
Coldest months:
January 33.9 °F
February 37.6 °F
December 38.0 °F
Rainiest months:
July 10 days
August 8 days
June 5 days
Windiest months:
December 11.1 mph
November 10.3 mph
February 10.3 mph

Incheon on a weather map

Current weather
03:54
Incheon
+43°F
NE 15 mph
Feels like: +36°F
Precip.: 100%
Places in South Korea:
Name
°F
Yongpyong
+34°F
Incheon
+43°F
Muju
+36°F
Busan
+48°F
Seoul
+34°F
Jeju
+45°F
24 Hours Forecast
Incheon
Local time: 03:54
December 29, monday
0600
45°F
E
14 mph
0900
43°F
E
11 mph
1200
43°F
E
13 mph
1500
41°F
E
14 mph
1800
39°F
SE
9 mph
2100
36°F
S
9 mph
December 30, tuesday
0000
34°F
SE
9 mph
0300
34°F
SE
10 mph
Units of measurement: °C / °F