World Resorts Vietnam Cat Ba Island Weather

Cat Ba Island 14 Days Forecast

19.12
fri
Day
72°F
W 9 mph
Precip.
0%
Night
68°F
W 7 mph
Precip.
0%
20.12
sat
Day
73°F
W 14 mph
Precip.
100%
Night
68°F
SW 7 mph
Precip.
0%
21.12
sun
Day
75°F
W 11 mph
Precip.
100%
Night
68°F
SW 6 mph
Precip.
0%
22.12
mon
Day
72°F
W 15 mph
Precip.
0%
Night
66°F
W 12 mph
Precip.
100%
23.12
tue
Day
70°F
W 16 mph
Precip.
73%
Night
68°F
SW 10 mph
Precip.
0%
24.12
wed
Day
70°F
W 9 mph
Precip.
0%
Night
64°F
SW 11 mph
Precip.
0%
25.12
thu
Day
66°F
W 14 mph
Precip.
40%
Night
66°F
SW 14 mph
Precip.
67%
26.12
fri
Day
66°F
SW 14 mph
Precip.
0%
Night
64°F
SW 8 mph
Precip.
0%
27.12
sat
Day
68°F
W 9 mph
Precip.
0%
Night
64°F
SW 6 mph
Precip.
0%
28.12
sun
Day
68°F
W 13 mph
Precip.
0%
Night
68°F
W 9 mph
Precip.
53%
29.12
mon
Day
68°F
W 14 mph
Precip.
0%
Night
68°F
W 7 mph
Precip.
0%
30.12
tue
Day
70°F
W 11 mph
Precip.
0%
Night
68°F
W 10 mph
Precip.
0%
31.12
wed
Day
70°F
W 13 mph
Precip.
82%
Night
68°F
W 11 mph
Precip.
48%
01.01
thu
Day
73°F
W 10 mph
Precip.
100%
Night
68°F
W 11 mph
Precip.
78%

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

Sunniest months:
October 14 days
June 12 days
September 12 days
Warmest months:
August 88.9 °F
July 88.9 °F
June 88.2 °F
Warmest sea temp:
July 86.8 °F
August 86.6 °F
June 86.3 °F
Coldest months:
January 66.9 °F
February 68.2 °F
December 69.3 °F
Rainiest months:
July 15 days
August 14 days
June 12 days
Windiest months:
June 10.6 mph
July 10.1 mph
January 9.8 mph

Cat Ba Island on a weather map

Cat Ba Island
+68°F
SW 9 mph
Feels like: +68°F
Precip.: 0%
Places in Vietnam:
Name
°F
+77°F
+81°F
+68°F
+72°F
+77°F
+75°F
+68°F
+79°F
+77°F
+75°F
+79°F
+82°F
+70°F
+70°F
+81°F
24 Hours Forecast
Cat Ba Island
Local time: 08:23
December 19, friday
0900
68°F
SW
9 mph
1200
72°F
W
9 mph
1500
72°F
W
9 mph
1800
68°F
W
8 mph
2100
68°F
W
8 mph
December 20, saturday
0000
68°F
W
7 mph
0300
66°F
SW
7 mph
0600
68°F
SW
8 mph
Units of measurement: °C / °F