World Resorts Vietnam Cat Ba Island Weather

Cat Ba Island 14 Days Forecast

15.08
sat
Day
88°F
NE 6 mph
Precip.
4%
Night
84°F
N 5 mph
Precip.
14%
16.08
sun
Day
90°F
NW 6 mph
Precip.
6%
Night
84°F
NW 2 mph
Precip.
15%
17.08
mon
Day
91°F
NW 3 mph
Precip.
17%
Night
84°F
W 3 mph
Precip.
25%
18.08
tue
Day
91°F
W 2 mph
Precip.
36%
Night
82°F
SW 6 mph
Precip.
40%
19.08
wed
Day
88°F
W 8 mph
Precip.
22%
Night
81°F
S 6 mph
Precip.
33%
20.08
thu
Day
88°F
W 9 mph
Precip.
8%
Night
82°F
E 3 mph
Precip.
64%
21.08
fri
Day
88°F
N 7 mph
Precip.
17%
Night
82°F
NE 4 mph
Precip.
28%
22.08
sat
Day
90°F
N 6 mph
Precip.
6%
Night
84°F
N 2 mph
Precip.
12%
23.08
sun
Day
82°F
SE 5 mph
Precip.
15%
Night
81°F
SE 6 mph
Precip.
43%
24.08
mon
Day
88°F
N 7 mph
Precip.
24%
Night
82°F
NW 2 mph
Precip.
65%
25.08
tue
Day
79°F
N 4 mph
Precip.
67%
Night
79°F
SE 6 mph
Precip.
46%
26.08
wed
Day
86°F
W 14 mph
Precip.
21%
Night
82°F
W 5 mph
Precip.
15%
27.08
thu
Day
86°F
W 5 mph
Precip.
24%
Night
82°F
E 2 mph
Precip.
22%
28.08
fri
Day
88°F
N 7 mph
Precip.
9%
Night
84°F
N 6 mph
Precip.
15%

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
10:46
Cat Ba Island
+88°F
NE 6 mph
Feels like: +95°F
Precip.: 4%
Places in Vietnam:
Name
°F
Vinpearl
+91°F
Vung Tau
+86°F
Da Lat
+75°F
Da Nang
+93°F
Doc Let Beach
+91°F
Cam Ranh
+91°F
Mui Ne
+90°F
Nha Trang
+91°F
Phan Rang
+91°F
Phan Thiet
+90°F
Phu Quoc
+82°F
Ha Noi
+95°F
Ha Long
+90°F
Hoi An
+93°F
Ho Chi Minh
+86°F
all places
24 Hours Forecast
Cat Ba Island
Local time: 10:46
August 15, saturday
1200
88°F
NE
6 mph
1500
90°F
N
7 mph
1800
84°F
N
8 mph
2100
84°F
N
7 mph
August 16, sunday
0000
84°F
N
5 mph
0300
82°F
W
1 mph
0600
82°F
W
3 mph
0900
88°F
W
4 mph
Units of measurement: °C / °F