Average sea water temperature in December:
+79.1°F
| Minimum sea water temperature in December: | 82.0°F |
| Maximum sea water temperature in December: | 75.9°F |
Daily sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 79.6°F. The highest and lowest sea temperatures during the month were 82.0°F and 76.3°F.
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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 December?
| Place name | December 2025 | December 2024 |
|---|---|---|
| Santiago de Cuba | 82.9°F | 82.3°F |
| Cienfuegos | 82.5°F | 81.2°F |
| Trinidad | 82.2°F | 81.1°F |
| Baracoa | 81.7°F | 80.7°F |
| Playa Esmeralda | 81.4°F | 80.4°F |
| Playa Blanca | 81.4°F | 80.2°F |
| Holguin | 81.3°F | 80.2°F |
| Niquero | 81.3°F | 79.5°F |
| Playa Santa Lucia | 81.2°F | 79.9°F |
| Manzanillo | 81.1°F | 79.2°F |
| Cayo Largo | 81.0°F | 79.5°F |
| Havana | 80.9°F | 80.9°F |
| Matanzas | 80.6°F | 80.1°F |
| Cayo Guillermo | 79.6°F | 78.5°F |
| Cayo Santa Maria | 79.6°F | 78.7°F |
| Santa Maria | 79.6°F | 78.7°F |
| Cayo Coco | 79.5°F | 78.6°F |
| Varadero | 79.4°F | 79.3°F |
| Pinar del Rio | 78.0°F | 75.1°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: 10:12
December 31, wednesday
1200
73°F
S
14 mph
14 mph
1500
72°F
S
12 mph
12 mph
1800
72°F
S
12 mph
12 mph
2100
72°F
S
14 mph
14 mph
January 01, thursday
0000
72°F
S
12 mph
12 mph
0300
72°F
S
14 mph
14 mph
0600
70°F
S
14 mph
14 mph
0900
68°F
S
12 mph
12 mph
