15.07
wed
wed
Day
84°F
W 18 mph
Precip.
9%
9%
Night
82°F
W 17 mph
Precip.
14%
14%
16.07
thu
thu
Day
84°F
W 17 mph
Precip.
11%
11%
Night
82°F
W 19 mph
Precip.
13%
13%
17.07
fri
fri
Day
84°F
W 17 mph
Precip.
20%
20%
Night
82°F
W 19 mph
Precip.
9%
9%
18.07
sat
sat
Day
84°F
W 16 mph
Precip.
7%
7%
Night
82°F
W 16 mph
Precip.
8%
8%
19.07
sun
sun
Day
82°F
W 11 mph
Precip.
7%
7%
Night
82°F
W 17 mph
Precip.
14%
14%
20.07
mon
mon
Day
84°F
W 16 mph
Precip.
9%
9%
Night
82°F
W 19 mph
Precip.
8%
8%
21.07
tue
tue
Day
84°F
W 16 mph
Precip.
7%
7%
Night
82°F
W 17 mph
Precip.
17%
17%
sea water
temperature
temperature
| Cayo Guillermo |
monthly
weather
weather
| Cayo Guillermo |
current
weather
weather
| Cayo Guillermo |
14 days
forecast
forecast
| Cayo Guillermo |
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 86.5°F. The highest and lowest sea temperatures during the month were 87.4°F and 85.6°F.
Air temperature in Cayo Guillermo, °F
Precipitation total in Cayo Guillermo, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Cayo Guillermo
Cayo Guillermo on a weather map
Places in Cuba:
Name
°F
24 Hours Forecast
Cayo Guillermo
Local time: 07:14
July 15, wednesday
0900
84°F
W
17 mph
17 mph
1200
84°F
W
18 mph
18 mph
1500
84°F
W
17 mph
17 mph
1800
84°F
W
16 mph
16 mph
2100
82°F
W
16 mph
16 mph
July 16, thursday
0000
82°F
W
17 mph
17 mph
0300
82°F
W
17 mph
17 mph
0600
82°F
W
17 mph
17 mph
