In December warmest sea in Costa Blanca is usually observed in the following locations: L'Albir, Altea, Calpe.
Table below shows the average sea water temperature for marine resorts of Costa Blanca in December for the last three years.
| Place name | December 2025 | December 2024 | December 2023 |
|---|---|---|---|
| L'Albir | 63.1°F | 62.8°F | 59.6°F |
| Altea | 63.1°F | 62.8°F | 59.6°F |
| Calpe | 62.8°F | 62.8°F | 59.4°F |
| Costa Blanca | 62.8°F | 62.6°F | 59.4°F |
| Morair | 62.7°F | 62.9°F | 59.4°F |
| Xabia | 62.4°F | 62.8°F | 59.1°F |
| Badia de Xabia | 62.4°F | 62.8°F | 59.1°F |
Charts below show average sea water temperature for Costa Blanca resorts with the warmest sea in December.
You can also check other months of the year to see sea temperature of Costa Blanca resorts at that time.
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