World Resorts Vietnam Cat Ba Island Weather

Cat Ba Island 7 Days Forecast

06.08
thu
Day
84°F
SW 16 mph
Precip.
62%
Night
81°F
S 9 mph
Precip.
46%
07.08
fri
Day
86°F
E 4 mph
Precip.
20%
Night
81°F
E 9 mph
Precip.
43%
08.08
sat
Day
91°F
E 7 mph
Precip.
40%
Night
82°F
E 7 mph
Precip.
13%
09.08
sun
Day
93°F
NE 9 mph
Precip.
5%
Night
84°F
NE 7 mph
Precip.
30%
10.08
mon
Day
93°F
E 9 mph
Precip.
17%
Night
84°F
NE 6 mph
Precip.
12%
11.08
tue
Day
91°F
N 6 mph
Precip.
5%
Night
84°F
NE 5 mph
Precip.
22%
12.08
wed
Day
90°F
E 2 mph
Precip.
8%
Night
82°F
NE 4 mph
Precip.
14%

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
13:17
Cat Ba Island
+84°F
SW 16 mph
Feels like: +95°F
Precip.: 62%
Places in Vietnam:
Name
°F
Vinpearl
+86°F
Vung Tau
+84°F
Da Lat
+72°F
Da Nang
+86°F
Doc Let Beach
+86°F
Cam Ranh
+88°F
Mui Ne
+88°F
Nha Trang
+86°F
Phan Rang
+88°F
Phan Thiet
+88°F
Phu Quoc
+84°F
Ha Noi
+86°F
Ha Long
+84°F
Hoi An
+86°F
Ho Chi Minh
+90°F
all places
24 Hours Forecast
Cat Ba Island
Local time: 13:17
August 06, thursday
1500
84°F
SW
14 mph
1800
82°F
SW
11 mph
2100
81°F
SW
11 mph
August 07, friday
0000
81°F
S
9 mph
0300
79°F
S
8 mph
0600
79°F
S
6 mph
0900
81°F
SE
6 mph
1200
86°F
E
4 mph
Units of measurement: °C / °F