Measurements:
°C
°F
Incheon
78°F
NW 9 mph
Feels like: 82°F
Precip: 27%
World Resorts South Korea Incheon Weather

7 Day Weather Forecast

07.05
sun
DAY
78°F
NW 9 mph
precip
27%
NIGHT
74°F
N 9 mph
precip
71%
07.06
mon
DAY
78°F
N 12 mph
precip
74%
NIGHT
76°F
NW 5 mph
precip
31%
07.07
tue
DAY
84°F
N 6 mph
precip
49%
NIGHT
80°F
E 2 mph
precip
29%
07.08
wed
DAY
76°F
N 17 mph
precip
79%
NIGHT
76°F
N 9 mph
precip
76%
07.09
thu
DAY
76°F
N 19 mph
precip
70%
NIGHT
76°F
N 7 mph
precip
72%
07.10
fri
DAY
80°F
NE 11 mph
precip
45%
NIGHT
78°F
N 4 mph
precip
18%
07.11
sat
DAY
82°F
NE 4 mph
precip
21%
NIGHT
80°F
NE 1 mph
precip
15%

Incheon Sea Water Temperature in July, °F

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Incheon was 25.7°F. The maximum and minimum values were 23.6°F and 28.5°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 88.2 °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 4 days
The most windy months:
December 11 mph
November 10 mph
January 10 mph