Measurements:
°C
°F
CURRENT WEATHER
19:44
Incheon
52°F
NE 12 mph
Feels like: 48°F
Precip: 0%
World Resorts South Korea Incheon Weather

7 Day Weather Forecast

04.21
tue
DAY
54°F
NE 12 mph
precip
0%
NIGHT
52°F
NE 11 mph
precip
0%
04.22
wed
DAY
54°F
NE 9 mph
precip
0%
NIGHT
52°F
E 2 mph
precip
0%
04.23
thu
DAY
62°F
S 1 mph
precip
0%
NIGHT
60°F
S 3 mph
precip
0%
04.24
fri
DAY
64°F
E 7 mph
precip
0%
NIGHT
58°F
E 2 mph
precip
0%
04.25
sat
DAY
62°F
NE 7 mph
precip
0%
NIGHT
58°F
N 1 mph
precip
0%
04.26
sun
DAY
64°F
E 6 mph
precip
0%
NIGHT
56°F
SE 8 mph
precip
0%
04.27
mon
DAY
58°F
SE 14 mph
precip
100%
NIGHT
56°F
N 2 mph
precip
0%

Incheon Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Incheon was 10.1°F. The maximum and minimum values were 8.3°F and 11.9°F respectively.

Incheon on the Weather Map

Best Time to Visit Incheon
The most sunny months:
October 18 days
May 18 days
March 18 days
The most warm months:
August 88.2 °F
July 85.6 °F
September 81.7 °F
Warmest sea temperature:
August 82.3 °F
September 78.2 °F
July 77.4 °F
The most cold months:
January 31.8 °F
February 36.2 °F
December 36.6 °F
The most rainy months:
July 10 days
August 8 days
June 5 days
The most windy months:
December 11 mph
November 10 mph
January 10 mph
more details