In December warmest sea in Costa del Maresme is usually observed in the following locations: Calella, Pineda de Mar, Santa Susanna.
Table below shows the average sea water temperature for marine resorts of Costa del Maresme in December for the last three years.
| Place name | December 2025 | December 2024 | December 2023 |
|---|---|---|---|
| Calella | 60.5°F | 61.3°F | 59.4°F |
| Pineda de Mar | 60.5°F | 61.3°F | 59.4°F |
| Santa Susanna | 60.4°F | 61.2°F | 59.4°F |
| Malgrat de Mar | 60.4°F | 61.2°F | 59.4°F |
| Sant Pol de Mar | 60.3°F | 61.2°F | 59.3°F |
| Lloret de Mar | 60.2°F | 61.1°F | 59.4°F |
| Blanes | 60.2°F | 61.1°F | 59.3°F |
| Tossa de Mar | 60.2°F | 61.1°F | 59.3°F |
| Canet de Mar | 60.1°F | 61.0°F | 59.2°F |
| Mataro | 60.0°F | 60.9°F | 59.1°F |
Charts below show average sea water temperature for Costa del Maresme resorts with the warmest sea in December.
You can also check other months of the year to see sea temperature of Costa del Maresme resorts at that time.
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