World Resorts Vietnam Cat Ba Island Weather

Cat Ba Island 7 Days Forecast

31.12
wed
Day
70°F
W 12 mph
Precip.
0%
Night
68°F
W 10 mph
Precip.
0%
01.01
thu
Day
70°F
SW 12 mph
Precip.
100%
Night
64°F
SW 13 mph
Precip.
84%
02.01
fri
Day
64°F
W 9 mph
Precip.
89%
Night
61°F
SW 11 mph
Precip.
0%
03.01
sat
Day
64°F
W 16 mph
Precip.
0%
Night
61°F
SW 9 mph
Precip.
0%
04.01
sun
Day
63°F
SW 15 mph
Precip.
81%
Night
61°F
S 9 mph
Precip.
0%
05.01
mon
Day
61°F
SW 5 mph
Precip.
0%
Night
59°F
SW 5 mph
Precip.
0%
06.01
tue
Day
64°F
W 7 mph
Precip.
0%
Night
61°F
SW 6 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 71.8°F. The highest and lowest sea temperatures during the month were 73.4°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
W 9 mph
Feels like: +68°F
Precip.: 0%
Places in Vietnam:
Name
°F
+66°F
+70°F
+57°F
+68°F
+68°F
+66°F
+68°F
+70°F
+66°F
+66°F
+70°F
+75°F
+66°F
+66°F
+72°F
24 Hours Forecast
Cat Ba Island
Local time: 03:00
December 31, wednesday
0600
68°F
W
10 mph
0900
68°F
W
12 mph
1200
70°F
W
12 mph
1500
72°F
W
7 mph
1800
68°F
W
10 mph
2100
68°F
W
11 mph
January 01, thursday
0000
68°F
W
10 mph
0300
68°F
SW
12 mph
Units of measurement: °C / °F