World Resorts Vietnam Cat Ba Island Weather

Cat Ba Island 14 Days Forecast

21.12
sun
Day
75°F
W 8 mph
Precip.
88%
Night
70°F
W 11 mph
Precip.
0%
22.12
mon
Day
72°F
W 15 mph
Precip.
65%
Night
70°F
W 12 mph
Precip.
100%
23.12
tue
Day
70°F
SW 14 mph
Precip.
77%
Night
68°F
W 13 mph
Precip.
100%
24.12
wed
Day
72°F
W 13 mph
Precip.
66%
Night
68°F
SW 9 mph
Precip.
0%
25.12
thu
Day
63°F
S 11 mph
Precip.
80%
Night
57°F
S 8 mph
Precip.
100%
26.12
fri
Day
61°F
SW 6 mph
Precip.
28%
Night
59°F
SW 11 mph
Precip.
100%
27.12
sat
Day
61°F
SW 9 mph
Precip.
74%
Night
61°F
SW 9 mph
Precip.
100%
28.12
sun
Day
63°F
S 4 mph
Precip.
0%
Night
63°F
SW 2 mph
Precip.
0%
29.12
mon
Day
64°F
W 5 mph
Precip.
0%
Night
63°F
SW 6 mph
Precip.
0%
30.12
tue
Day
66°F
W 10 mph
Precip.
21%
Night
66°F
W 7 mph
Precip.
100%
31.12
wed
Day
68°F
W 9 mph
Precip.
100%
Night
68°F
W 6 mph
Precip.
100%
01.01
thu
Day
68°F
SW 12 mph
Precip.
100%
Night
68°F
SW 12 mph
Precip.
0%
02.01
fri
Day
64°F
SW 16 mph
Precip.
57%
Night
59°F
SW 11 mph
Precip.
100%
03.01
sat
Day
54°F
S 8 mph
Precip.
100%
Night
54°F
NE 6 mph
Precip.
100%

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
+70°F
W 9 mph
Feels like: +70°F
Precip.: 0%
Places in Vietnam:
Name
°F
+75°F
+77°F
+64°F
+73°F
+75°F
+73°F
+70°F
+75°F
+75°F
+73°F
+75°F
+82°F
+75°F
+70°F
+86°F
24 Hours Forecast
Cat Ba Island
Local time: 18:19
December 21, sunday
2100
70°F
SW
7 mph
December 22, monday
0000
70°F
W
11 mph
0300
68°F
SW
9 mph
0600
68°F
SW
12 mph
0900
70°F
W
15 mph
1200
72°F
W
15 mph
1500
70°F
W
16 mph
1800
68°F
W
14 mph
Units of measurement: °C / °F