In December warmest sea in Cuba is usually observed in the following locations: Santiago de Cuba, Cienfuegos, Trinidad.
Table below shows the average sea water temperature for marine resorts of Cuba in December for the last three years.
| Place name | December 2025 | December 2024 | December 2023 |
|---|---|---|---|
| Santiago de Cuba | 83.3°F | 82.3°F | 83.3°F |
| Cienfuegos | 82.8°F | 81.2°F | 82.3°F |
| Trinidad | 82.3°F | 81.1°F | 82.2°F |
| Cayo Largo | 82.0°F | 79.5°F | 81.0°F |
| Baracoa | 81.9°F | 80.7°F | 82.1°F |
| Niquero | 81.8°F | 79.5°F | 81.0°F |
| Playa Esmeralda | 81.8°F | 80.4°F | 81.6°F |
| Manzanillo | 81.7°F | 79.2°F | 80.7°F |
| Playa Blanca | 81.7°F | 80.2°F | 81.5°F |
| Playa Santa Lucia | 81.6°F | 79.9°F | 81.2°F |
| Holguin | 81.6°F | 80.2°F | 81.4°F |
| Havana | 81.3°F | 80.9°F | 80.8°F |
| Cayo Coco | 80.9°F | 78.6°F | 79.8°F |
| Cayo Guillermo | 80.9°F | 78.5°F | 79.9°F |
| Matanzas | 80.8°F | 80.1°F | 80.1°F |
| Cayo Santa Maria | 80.5°F | 78.7°F | 80.1°F |
| Santa Maria | 80.5°F | 78.7°F | 80.1°F |
| Varadero | 80.4°F | 79.3°F | 79.7°F |
| Pinar del Rio | 79.4°F | 75.1°F | 76.7°F |
Charts below show average sea water temperature for Cuba resorts with the warmest sea in December.
You can also check other months of the year to see sea temperature of Cuba resorts at that time.
Places in Cuba:
Name
°F
