World Resorts South Korea Seoul Weather

Seoul Sea Temperature in August

Average sea water temperature in August:
+78.7°F
Minimum sea water temperature in August: 83.8°F
Maximum sea water temperature in August: 72.9°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 80.8°F. The highest and lowest sea temperatures during the month were 82.4°F and 78.4°F.

Monthly sea water temperature in Seoul, °F

Which South Korea resorts have warmest sea in August?

Place name August 2025 August 2024
Jeju 83.6°F 84.0°F
Incheon 82.0°F 82.8°F
Seoul 80.8°F 81.3°F
Busan 80.6°F 82.2°F
Yongpyong 78.7°F 79.9°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 32.6 °F
December 36.0 °F
February 38.3 °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
16:22
Seoul
+55°F
E 5 mph
Feels like: +55°F
Precip.: 0%
Places in South Korea:
Name
°F
Yongpyong
+48°F
Incheon
+48°F
Muju
+59°F
Busan
+55°F
Seoul
+55°F
Jeju
+55°F
24 Hours Forecast
Seoul
Local time: 16:22
March 17, tuesday
1800
54°F
E
7 mph
2100
50°F
E
2 mph
March 18, wednesday
0000
48°F
W
1 mph
0300
46°F
NE
1 mph
0600
45°F
NE
4 mph
0900
43°F
E
3 mph
1200
50°F
E
4 mph
1500
54°F
E
7 mph
Units of measurement: °C / °F