At this moment warmest sea in San Marino was observed in the following locations: San Marino, Borgo Maggiore, Faetano.
You can find the full list of San Marino marine locations in the table below. It shows current sea temperature values and averages for current and upcoming months.
| Place name | Current sea temp |
September 2025 | October 2025 |
|---|---|---|---|
| San Marino | 81.7°F | 75.1°F | 66.6°F |
| Borgo Maggiore | 81.7°F | 75.2°F | 66.6°F |
| Faetano | 81.7°F | 75.1°F | 66.6°F |
| Acquaviva | 81.7°F | 75.2°F | 66.6°F |
| Domagnano | 81.7°F | 75.1°F | 66.6°F |
| Chiesanuova | 81.7°F | 75.2°F | 66.6°F |
| Mentegiardino | 81.7°F | 75.1°F | 66.6°F |
| Serravalle | 81.7°F | 75.2°F | 66.6°F |
| Fiorentino | 81.7°F | 75.1°F | 66.6°F |
Charts below show average sea water temperature for San Marino resorts with the warmest sea.
You can also check other months of the year to see sea temperature of San Marino resorts at that time.
Places in San Marino:
Name
°F
