Average sea water temperature in January:
+67.3°F
| Minimum sea water temperature in January: | 72.7°F |
| Maximum sea water temperature in January: | 62.8°F |
Daily sea water temperature in January, °F
Show year:
2026
2025
2024
The average sea water temperature in January of 2026 was 67.7°F. The highest and lowest sea temperatures during the month were 70.3°F and 65.3°F.
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| Cat Ba Island |
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| Cat Ba Island |
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| Cat Ba Island |
Monthly sea water temperature in Cat Ba Island, °F
Which Vietnam resorts have warmest sea in January?
| Place name | January 2026 | January 2025 |
|---|---|---|
| Phu Quoc | 82.0°F | 82.7°F |
| Ho Chi Minh | 79.4°F | 80.4°F |
| Vung Tau | 78.6°F | 80.1°F |
| Phan Thiet | 77.5°F | 78.9°F |
| Ke Ga | 77.4°F | 79.0°F |
| Con Dao | 77.2°F | 77.9°F |
| Mui Ne | 77.1°F | 78.2°F |
| Phan Rang | 76.6°F | 75.4°F |
| Cam Ranh | 76.1°F | 75.1°F |
| Nha Trang | 76.1°F | 74.7°F |
| Vinpearl | 76.0°F | 74.7°F |
| Doc Let Beach | 76.0°F | 74.8°F |
| Hoi An | 73.5°F | 72.8°F |
| Da Nang | 73.4°F | 72.6°F |
| Hue | 73.0°F | 72.2°F |
| Thanh Hoa | 69.8°F | 67.7°F |
| Cat Ba Island | 67.7°F | 66.5°F |
| Ha Long | 66.8°F | 65.7°F |
| Tuan Chau | 66.4°F | 65.2°F |
| Hai Phong | 65.3°F | 62.5°F |
Best time for vacation in Cat Ba Island
Cat Ba Island on a weather map
Places in Vietnam:
Name
°F
24 Hours Forecast
Cat Ba Island
Local time: 03:56
February 04, wednesday
0600
63°F
SW
4 mph
4 mph
0900
66°F
SW
4 mph
4 mph
1200
72°F
NW
4 mph
4 mph
1500
72°F
NW
7 mph
7 mph
1800
68°F
NW
7 mph
7 mph
2100
66°F
W
4 mph
4 mph
February 05, thursday
0000
66°F
NW
3 mph
3 mph
0300
64°F
W
3 mph
3 mph
