Average sea water temperature in March:
+57.0°F
| Minimum sea water temperature in March: | 60.6°F |
| Maximum sea water temperature in March: | 53.1°F |
Daily sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 59.0°F. The highest and lowest sea temperatures during the month were 60.6°F and 57.7°F.
Monthly sea water temperature in Jeju, °F
Which South Korea resorts have warmest sea in March?
| Place name | March 2026 | March 2025 |
|---|---|---|
| Jeju | 59.0°F | 56.3°F |
| Busan | 55.9°F | 52.8°F |
| Yongpyong | 51.1°F | 47.7°F |
| Seoul | 42.8°F | 41.6°F |
| Incheon | 42.0°F | 41.2°F |
Best time for vacation in Jeju
Jeju on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Jeju
Local time: 01:31
August 07, friday
0300

81°F
SW
16 mph
16 mph
0600

81°F
SW
19 mph
19 mph
0900

82°F
W
21 mph
21 mph
1200

84°F
W
21 mph
21 mph
1500

86°F
W
21 mph
21 mph
1800

84°F
W
19 mph
19 mph
2100

84°F
W
21 mph
21 mph
August 08, saturday
0000

84°F
W
22 mph
22 mph



























