17.07
fri
fri
Day

84°F
NE 12 mph
Precip.
62%
62%
Night

82°F
N 13 mph
Precip.
70%
70%
18.07
sat
sat
Day

88°F
N 11 mph
Precip.
7%
7%
Night

84°F
N 9 mph
Precip.
54%
54%
19.07
sun
sun
Day

90°F
NE 7 mph
Precip.
7%
7%
Night

82°F
E 6 mph
Precip.
20%
20%
20.07
mon
mon
Day

90°F
NE 9 mph
Precip.
17%
17%
Night

82°F
NE 9 mph
Precip.
16%
16%
21.07
tue
tue
Day

86°F
W 6 mph
Precip.
18%
18%
Night

81°F
W 5 mph
Precip.
34%
34%
22.07
wed
wed
Day

88°F
W 7 mph
Precip.
17%
17%
Night

82°F
NW 6 mph
Precip.
23%
23%
23.07
thu
thu
Day

88°F
NW 7 mph
Precip.
5%
5%
Night

82°F
W 8 mph
Precip.
35%
35%
24.07
fri
fri
Day

86°F
W 11 mph
Precip.
46%
46%
Night

81°F
W 9 mph
Precip.
66%
66%
25.07
sat
sat
Day

88°F
W 7 mph
Precip.
13%
13%
Night

82°F
W 6 mph
Precip.
10%
10%
26.07
sun
sun
Day

88°F
NW 4 mph
Precip.
5%
5%
Night

82°F
N 6 mph
Precip.
12%
12%
27.07
mon
mon
Day

88°F
N 9 mph
Precip.
5%
5%
Night

82°F
N 8 mph
Precip.
12%
12%
28.07
tue
tue
Day

88°F
N 6 mph
Precip.
15%
15%
Night

82°F
NE 4 mph
Precip.
66%
66%
29.07
wed
wed
Day

90°F
NW 6 mph
Precip.
5%
5%
Night

82°F
NW 7 mph
Precip.
47%
47%
30.07
thu
thu
Day

90°F
NW 8 mph
Precip.
5%
5%
Night

84°F
NW 6 mph
Precip.
12%
12%
sea water
temperature
temperature
| Cat Ba Island |
monthly
weather
weather
| Cat Ba Island |
current
weather
weather
| Cat Ba Island |
7 days
forecast
forecast
| Cat Ba Island |
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 86.3°F. The highest and lowest sea temperatures during the month were 87.6°F and 84.9°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
Cat Ba Island on a weather map
Places in Vietnam:
Name
°F
24 Hours Forecast
Cat Ba Island
Local time: 10:57
July 17, friday
1200

84°F
NE
12 mph
12 mph
1500

88°F
N
13 mph
13 mph
1800

82°F
N
14 mph
14 mph
2100

82°F
N
12 mph
12 mph
July 18, saturday
0000

82°F
N
13 mph
13 mph
0300

82°F
NE
13 mph
13 mph
0600

82°F
NE
11 mph
11 mph
0900

86°F
NE
11 mph
11 mph



























