Measurements:
°C
°F
CURRENT WEATHER
14:49
Incheon
68°F
SE 6 mph
Feels like: 68°F
Precip: 10%
World Resorts South Korea Incheon Weather

7 Day Weather Forecast

10.19
mon
DAY
64°F
SE 4 mph
precip
9%
NIGHT
62°F
S 3 mph
precip
10%
10.20
tue
DAY
72°F
N 2 mph
precip
2%
NIGHT
64°F
SE 7 mph
precip
11%
10.21
wed
DAY
58°F
SE 19 mph
precip
1%
NIGHT
52°F
SE 11 mph
precip
1%
10.22
thu
DAY
56°F
SE 12 mph
precip
0%
NIGHT
54°F
SW 3 mph
precip
1%
10.23
fri
DAY
62°F
SW 5 mph
precip
1%
NIGHT
60°F
SW 3 mph
precip
2%
10.24
sat
DAY
68°F
E 1 mph
precip
1%
NIGHT
64°F
S 3 mph
precip
11%
10.25
sun
DAY
64°F
SE 9 mph
precip
30%
NIGHT
56°F
S 6 mph
precip
65%

Incheon Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Incheon was 21.8°F. The maximum and minimum values were 20.8°F and 23.7°F respectively.

Incheon on the Weather Map

Best Time to Visit Incheon
The most sunny months:
May 19 days
October 18 days
March 18 days
The most warm months:
August 88.0 °F
July 85.3 °F
September 81.8 °F
Warmest sea temperature:
August 82.5 °F
September 78.3 °F
July 77.6 °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 4 days
The most windy months:
December 11 mph
November 10 mph
January 10 mph
more details