World Resorts South Korea Seoul Weather

Seoul Sea Temperature in March

Average sea water temperature in March:
+41.1°F
Minimum sea water temperature in March: 47.5°F
Maximum sea water temperature in March: 36.3°F

Daily sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 40.8°F. The highest and lowest sea temperatures during the month were 42.3°F and 39.0°F.

Monthly sea water temperature in Seoul, °F

Which South Korea resorts have warmest sea in March?

Place name March 2026 March 2025
Jeju 58.5°F 56.3°F
Busan 55.9°F 52.8°F
Yongpyong 51.4°F 47.7°F
Seoul 40.8°F 41.6°F
Incheon 40.5°F 41.2°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

Seoul
+55°F
E 4 mph
Feels like: +55°F
Precip.: 0%
Places in South Korea:
Name
°F
+48°F
+48°F
+59°F
+55°F
+55°F
+55°F
24 Hours Forecast
Seoul
Local time: 15:10
March 17, tuesday
1800
55°F
E
6 mph
2100
50°F
E
2 mph
March 18, wednesday
0000
48°F
SE
1 mph
0300
46°F
N
2 mph
0600
46°F
E
2 mph
0900
43°F
SE
5 mph
1200
46°F
E
3 mph
1500
52°F
SE
6 mph
Units of measurement: °C / °F