Average sea water temperature in May:
+82.2°F
| Minimum sea water temperature in May: | 86.7°F |
| Maximum sea water temperature in May: | 77.4°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 84.0°F. The highest and lowest sea temperatures during the month were 86.2°F and 82.4°F.
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| Cayo Guillermo |
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| Cayo Guillermo |
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| Cayo Guillermo |
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| Cayo Guillermo |
Monthly sea water temperature in Cayo Guillermo, °F
Which Cuba resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Pinar del Rio | 86.6°F | 86.0°F |
| Cayo Largo | 86.1°F | 85.2°F |
| Manzanillo | 85.4°F | 84.7°F |
| Niquero | 84.8°F | 84.3°F |
| Trinidad | 84.6°F | 83.6°F |
| Cienfuegos | 84.3°F | 83.4°F |
| Varadero | 84.2°F | 82.9°F |
| Cayo Guillermo | 84.0°F | 82.2°F |
| Santiago de Cuba | 83.7°F | 83.4°F |
| Cayo Coco | 83.5°F | 82.1°F |
| Cayo Santa Maria | 83.4°F | 82.0°F |
| Santa Maria | 83.4°F | 82.0°F |
| Havana | 82.6°F | 82.0°F |
| Matanzas | 82.5°F | 82.0°F |
| Baracoa | 82.2°F | 81.2°F |
| Holguin | 81.7°F | 80.5°F |
| Playa Santa Lucia | 81.6°F | 81.0°F |
| Playa Blanca | 81.6°F | 80.3°F |
| Playa Esmeralda | 81.2°F | 80.1°F |
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: 10:32
June 19, friday
1200
86°F
W
14 mph
14 mph
1500
86°F
W
13 mph
13 mph
1800
84°F
W
15 mph
15 mph
2100
84°F
W
15 mph
15 mph
June 20, saturday
0000
82°F
W
14 mph
14 mph
0300
82°F
NW
12 mph
12 mph
0600
82°F
NW
11 mph
11 mph
0900
82°F
NW
12 mph
12 mph
