In October warmest sea in French Riviera is usually observed in the following locations: La Londe les Maures, Cassis, La Ciotat.
Table below shows the average sea water temperature for marine resorts of French Riviera in October for the last three years.
| Place name | October 2025 | October 2024 | October 2023 |
|---|---|---|---|
| La Londe les Maures | 68.3°F | 68.4°F | 70.4°F |
| Cassis | 67.9°F | 67.6°F | 70.2°F |
| La Ciotat | 67.9°F | 67.8°F | 70.2°F |
| Saint Syr Sur Mer | 67.8°F | 67.8°F | 70.2°F |
| Toulon | 67.6°F | 67.8°F | 69.9°F |
| Bandol | 67.6°F | 67.7°F | 70.0°F |
| La Seyne sur Mer | 67.5°F | 67.7°F | 69.9°F |
| Sanary-sur-Mer | 67.5°F | 67.6°F | 69.9°F |
| Marseilles | 67.2°F | 66.7°F | 69.9°F |
| Narbonne | 65.4°F | 65.6°F | 70.2°F |
| Beziers | 65.1°F | 65.2°F | 69.8°F |
| Avignon | 64.7°F | 66.1°F | 69.4°F |
| Frontignan | 64.5°F | 65.8°F | 70.0°F |
| Palavas les Flots | 64.2°F | 65.8°F | 69.9°F |
| Le Grau Du Roi | 64.0°F | 66.0°F | 69.8°F |
| Montpellier | 63.9°F | 65.8°F | 69.9°F |
Charts below show average sea water temperature for French Riviera resorts with the warmest sea in October.
You can also check other months of the year to see sea temperature of French Riviera resorts at that time.
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