World Resorts Vietnam Cat Ba Island Weather

Cat Ba Island 7 Days Forecast

12.08
wed
Day
91°F
N 6 mph
Precip.
5%
Night
84°F
N 2 mph
Precip.
14%
13.08
thu
Day
95°F
E 7 mph
Precip.
5%
Night
79°F
N 9 mph
Precip.
37%
14.08
fri
Day
91°F
N 5 mph
Precip.
5%
Night
79°F
S 9 mph
Precip.
15%
15.08
sat
Day
90°F
NE 7 mph
Precip.
4%
Night
82°F
N 4 mph
Precip.
13%
16.08
sun
Day
90°F
N 8 mph
Precip.
17%
Night
82°F
N 5 mph
Precip.
12%
17.08
mon
Day
90°F
NW 4 mph
Precip.
6%
Night
82°F
NW 4 mph
Precip.
52%
18.08
tue
Day
86°F
E 8 mph
Precip.
8%
Night
81°F
SE 6 mph
Precip.
39%

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 86.7°F. The highest and lowest sea temperatures during the month were 88.9°F and 83.7°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 88.7 °F
June 88.2 °F
Warmest sea temp:
July 86.8 °F
August 86.6 °F
June 86.4 °F
Coldest months:
January 66.9 °F
February 68.3 °F
December 69.3 °F
Rainiest months:
August 14 days
July 14 days
June 12 days
Windiest months:
June 10.6 mph
July 10.0 mph
October 9.7 mph

Cat Ba Island on a weather map

Current weather
10:06
Cat Ba Island
+88°F
NE 5 mph
Feels like: +102°F
Precip.: 7%
Places in Vietnam:
Name
°F
Vinpearl
+84°F
Vung Tau
+84°F
Da Lat
+68°F
Da Nang
+91°F
Doc Let Beach
+84°F
Cam Ranh
+86°F
Mui Ne
+86°F
Nha Trang
+84°F
Phan Rang
+86°F
Phan Thiet
+86°F
Phu Quoc
+84°F
Ha Noi
+90°F
Ha Long
+90°F
Hoi An
+91°F
Ho Chi Minh
+88°F
all places
24 Hours Forecast
Cat Ba Island
Local time: 10:06
August 12, wednesday
1200
91°F
N
6 mph
1500
91°F
N
7 mph
1800
86°F
N
8 mph
2100
84°F
N
4 mph
August 13, thursday
0000
84°F
N
2 mph
0300
84°F
N
2 mph
0600
84°F
E
2 mph
0900
90°F
E
6 mph
Units of measurement: °C / °F