19.12
fri
fri
Day

72°F
W 9 mph
Precip.
0%
0%
Night

68°F
W 7 mph
Precip.
0%
0%
20.12
sat
sat
Day

73°F
W 14 mph
Precip.
100%
100%
Night

68°F
SW 7 mph
Precip.
0%
0%
21.12
sun
sun
Day

75°F
W 11 mph
Precip.
100%
100%
Night

68°F
SW 6 mph
Precip.
0%
0%
22.12
mon
mon
Day

72°F
W 15 mph
Precip.
0%
0%
Night

66°F
W 12 mph
Precip.
100%
100%
23.12
tue
tue
Day

70°F
W 16 mph
Precip.
73%
73%
Night

68°F
SW 10 mph
Precip.
0%
0%
24.12
wed
wed
Day

70°F
W 9 mph
Precip.
0%
0%
Night

64°F
SW 11 mph
Precip.
0%
0%
25.12
thu
thu
Day

66°F
W 14 mph
Precip.
40%
40%
Night

66°F
SW 14 mph
Precip.
67%
67%
26.12
fri
fri
Day

66°F
SW 14 mph
Precip.
0%
0%
Night

64°F
SW 8 mph
Precip.
0%
0%
27.12
sat
sat
Day

68°F
W 9 mph
Precip.
0%
0%
Night

64°F
SW 6 mph
Precip.
0%
0%
28.12
sun
sun
Day

68°F
W 13 mph
Precip.
0%
0%
Night

68°F
W 9 mph
Precip.
53%
53%
29.12
mon
mon
Day

68°F
W 14 mph
Precip.
0%
0%
Night

68°F
W 7 mph
Precip.
0%
0%
30.12
tue
tue
Day

70°F
W 11 mph
Precip.
0%
0%
Night

68°F
W 10 mph
Precip.
0%
0%
31.12
wed
wed
Day

70°F
W 13 mph
Precip.
82%
82%
Night

68°F
W 11 mph
Precip.
48%
48%
01.01
thu
thu
Day

73°F
W 10 mph
Precip.
100%
100%
Night

68°F
W 11 mph
Precip.
78%
78%
sea water
temperature
temperature
| Cat Ba Island |
monthly
weather
weather
| Cat Ba Island |
current
weather
weather
| Cat Ba Island |
7 days
forecast
forecast
| Cat Ba Island |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 71.9°F. The highest and lowest sea temperatures during the month were 73.0°F and 69.8°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 66.5°F. The highest and lowest sea temperatures during the month were 68.2°F and 63.9°F.
Air temperature in Cat Ba Island, °F
Precipitation total in Cat Ba Island, in.
* Charts above show average data for the last 3 years.
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: 08:23
December 19, friday
0900

68°F
SW
9 mph
9 mph
1200

72°F
W
9 mph
9 mph
1500

72°F
W
9 mph
9 mph
1800

68°F
W
8 mph
8 mph
2100

68°F
W
8 mph
8 mph
December 20, saturday
0000

68°F
W
7 mph
7 mph
0300

66°F
SW
7 mph
7 mph
0600

68°F
SW
8 mph
8 mph



























