In January warmest sea in Monaco is usually observed in the following locations: Monaco, Monte Carlo, Fontvielle.
Table below shows the average sea water temperature for marine resorts of Monaco in January for the last three years.
| Place name | January 2025 | January 2024 | January 2023 |
|---|---|---|---|
| Monaco | 58.5°F | 58.6°F | 59.5°F |
| Monte Carlo | 58.5°F | 58.6°F | 59.5°F |
| Fontvielle | 58.5°F | 58.6°F | 59.5°F |
| La Condamine | 58.5°F | 58.6°F | 59.5°F |
Charts below show average sea water temperature for Monaco resorts with the warmest sea in January.
You can also check other months of the year to see sea temperature of Monaco resorts at that time.

























