World Resorts South Korea Seoul Weather

Seoul Sea Temperature in July

Average sea water temperature in July:
+74.7°F
Minimum sea water temperature in July: 82.6°F
Maximum sea water temperature in July: 66.9°F

Daily sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 78.0°F. The highest and lowest sea temperatures during the month were 82.2°F and 73.4°F.

Monthly sea water temperature in Seoul, °F

Which South Korea resorts have warmest sea in July?

Place name July 2025 July 2024
Jeju 80.2°F 78.1°F
Incheon 78.3°F 76.0°F
Seoul 78.0°F 75.7°F
Busan 76.8°F 73.8°F
Yongpyong 76.0°F 74.1°F

Best time for vacation in Seoul

Sunniest months:
May 19 days
October 18 days
March 17 days
Warmest months:
August 87.0 °F
July 85.9 °F
June 82.2 °F
Warmest sea temp:
August 78.7 °F
September 74.9 °F
July 74.7 °F
Coldest months:
January 32.8 °F
December 35.9 °F
February 38.2 °F
Rainiest months:
July 11 days
August 8 days
June 5 days
Windiest months:
April 7.2 mph
March 7.2 mph
May 6.5 mph

Seoul on a weather map

Current weather
17:10
Seoul
+30°F
SW 1 mph
Feels like: +30°F
Precip.: 0%
Places in South Korea:
Name
°F
Yongpyong
+25°F
Incheon
+36°F
Muju
+28°F
Busan
+41°F
Seoul
+30°F
Jeju
+43°F
24 Hours Forecast
Seoul
Local time: 17:10
December 05, friday
1800
30°F
SW
1 mph
2100
28°F
W
2 mph
December 06, saturday
0000
28°F
NW
3 mph
0300
28°F
NW
3 mph
0600
30°F
NW
4 mph
0900
30°F
NW
4 mph
1200
34°F
NW
4 mph
1500
34°F
NW
3 mph
Units of measurement: °C / °F