Measurements:
°C
°F
Seoul
60°F
E 8 mph
Feels like: 58°F
Precip: 6%
World Resorts South Korea Seoul Weather

Seoul Sea Water Temperature

Current Sea Water Temperature:
+58.6°F
Maximum Sea Water Temperature in November: 64.6°F
Minimum Sea Water Temperature in November: 49.4°F
Average water temperature in November: 57.9°F

Sea Water Temperature for the Last 10 Days:

November 11 58.6°F November 06 61.8°F
November 10 60.0°F November 05 62.4°F
November 09 60.4°F November 04 62.4°F
November 08 60.2°F November 03 62.2°F
November 07 61.0°F November 02 62.6°F

When is the Warmest Sea for Seoul?

According to our data for the last three years for Seoul the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Seoul was 84.6°F. The maximum and minimum values were 82.6°F and 89.0°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Seoul was 78.7°F. The maximum and minimum values were 75.2°F and 83.0°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Seoul was 79.8°F. The maximum and minimum values were 76.8°F and 83.2°F respectively.

Best Time to Visit Seoul
The most sunny months:
May 19 days
October 18 days
March 17 days
The most warm months:
August 91.1 °F
July 89.8 °F
June 85.8 °F
Warmest sea temperature:
August 82.1 °F
September 77.7 °F
July 77.6 °F
The most cold months:
January 30.6 °F
December 34.4 °F
February 37.0 °F
The most rainy months:
July 11 days
August 8 days
May 4 days
The most windy months:
April 7 mph
March 7 mph
May 6 mph

Seoul on the Weather Map

South Korea Resorts:
NAME
F°
Busan +62
Incheon +58
Jeju +64
Muju +60
Seoul +60
Yongpyong +54
24 Hours Weather Forecast
Seoul
Local time: 14:14
12 nov, thursday
1500 60°F
E
8 mph
1800 54°F
NE
5 mph
2100 52°F
NE
4 mph
13 nov, friday
0000 50°F
N
3 mph
0300 46°F
NW
2 mph
0600 46°F
NW
2 mph
0900 48°F
NW
2 mph
1200 60°F
N
1 mph