Average sea water temperature in March:
+41.1°F
| Minimum sea water temperature in March: | 48.6°F |
| Maximum sea water temperature in March: | 35.4°F |
Daily sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 42.0°F. The highest and lowest sea temperatures during the month were 46.0°F and 39.6°F.
Monthly sea water temperature in Incheon, °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 Incheon
Incheon on a weather map
Places in South Korea:
Name
°F
24 Hours Forecast
Incheon
Local time: 04:56
August 27, thursday
0600

75°F
S
4 mph
4 mph
0900

77°F
S
5 mph
5 mph
1200

84°F
S
2 mph
2 mph
1500

86°F
E
6 mph
6 mph
1800

84°F
SE
7 mph
7 mph
2100

81°F
SE
3 mph
3 mph
August 28, friday
0000

79°F
S
2 mph
2 mph
0300

79°F
SW
2 mph
2 mph

























