Measurements:
°C
°F
CURRENT WEATHER
18:06
Cat Ba Island
70°F
W 9 mph
Feels like: 70°F
Precip: 0%
World Resorts Vietnam Cat Ba Island Weather

7 Day Weather Forecast

12.18
thu
DAY
76°F
W 7 mph
precip
82%
NIGHT
68°F
SW 7 mph
precip
0%
12.19
fri
DAY
74°F
W 9 mph
precip
0%
NIGHT
70°F
W 7 mph
precip
0%
12.20
sat
DAY
76°F
W 14 mph
precip
100%
NIGHT
70°F
SW 7 mph
precip
0%
12.21
sun
DAY
78°F
W 11 mph
precip
100%
NIGHT
70°F
SW 6 mph
precip
0%
12.22
mon
DAY
74°F
W 15 mph
precip
0%
NIGHT
68°F
W 12 mph
precip
100%
12.23
tue
DAY
72°F
W 16 mph
precip
73%
NIGHT
70°F
SW 10 mph
precip
0%
12.24
wed
DAY
72°F
W 9 mph
precip
0%
NIGHT
66°F
SW 11 mph
precip
0%

Cat Ba Island Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Cat Ba Island was 22.2°F. The maximum and minimum values were 21.0°F and 22.8°F respectively.

Cat Ba Island on the Weather Map

Best Time to Visit Cat Ba Island
The most sunny months:
October 14 days
June 12 days
September 12 days
The most warm months:
August 93.3 °F
July 93.3 °F
June 92.5 °F
Warmest sea temperature:
July 90.9 °F
August 90.7 °F
June 90.3 °F
The most cold months:
January 68.8 °F
February 70.2 °F
December 71.4 °F
The most rainy months:
July 15 days
August 14 days
June 12 days
The most windy months:
June 11 mph
July 10 mph
January 9 mph
more details