The France resorts with the warmest sea water temperature in August are Bastia, Portivecju and Calvi.
Below you can see a list of all popular France resorts and information about sea water temperature in August for the last two years.
| Resort Name | August 2026 | August 2025 | August 2024 |
|---|---|---|---|
| Bastia | 87.9°F | 82.7°F | 86.3°F |
| Portivecju | 87.4°F | 82.7°F | 85.7°F |
| Calvi | 86.4°F | 81.6°F | 84.3°F |
| Roquebrune Cap Martin | 86.3°F | 81.9°F | 85.0°F |
| Menton | 86.2°F | 81.8°F | 84.9°F |
| Aiacciu | 86.2°F | 81.1°F | 83.7°F |
| Bunifaziu | 86.1°F | 81.6°F | 83.7°F |
| Saint Jean Cap Ferrat | 86.0°F | 82.0°F | 85.5°F |
| Nice | 85.8°F | 81.8°F | 85.1°F |
| Cannes | 85.7°F | 81.6°F | 85.0°F |
| Antibes | 85.7°F | 81.5°F | 84.9°F |
| Juan les Pins | 85.7°F | 81.5°F | 84.9°F |
| Corsica | 85.7°F | 80.7°F | 83.4°F |
| Golfe Juan | 85.7°F | 81.6°F | 84.9°F |
| Theoule Sur Mer | 85.6°F | 81.7°F | 84.9°F |
| Mandelieu la Napoule | 85.6°F | 81.7°F | 84.9°F |
| Saint Laurent du Var | 85.6°F | 81.4°F | 84.7°F |
| Cagnes sur Mer | 85.5°F | 81.3°F | 84.5°F |
| Propriano | 85.5°F | 80.4°F | 82.6°F |
| Frejus | 85.0°F | 81.2°F | 84.1°F |
| Saint-Tropez | 85.0°F | 81.0°F | 84.0°F |
| Sainte Maxime | 85.0°F | 81.0°F | 83.9°F |
| Cavalaire sur Mer | 84.5°F | 80.8°F | 83.7°F |
| Le Lavandou | 83.9°F | 80.3°F | 83.2°F |
| La Londe les Maures | 83.3°F | 79.8°F | 82.9°F |
| Perpignan | 82.4°F | 77.3°F | 78.0°F |
| Bandol | 82.3°F | 78.6°F | 81.1°F |
| Sanary-sur-Mer | 82.3°F | 78.6°F | 81.3°F |
| Le Grau Du Roi | 82.3°F | 75.7°F | 78.6°F |
| La Seyne sur Mer | 82.1°F | 78.6°F | 81.4°F |
| Toulon | 82.1°F | 78.7°F | 81.5°F |
| Saint Syr Sur Mer | 81.9°F | 78.4°F | 80.6°F |
| La Ciotat | 81.6°F | 78.2°F | 80.2°F |
| Avignon | 81.6°F | 74.9°F | 77.7°F |
| Cassis | 81.4°F | 77.4°F | 79.8°F |
| Montpellier | 81.2°F | 74.7°F | 77.5°F |
| Palavas les Flots | 80.9°F | 74.8°F | 77.2°F |
| Marseilles | 80.6°F | 75.9°F | 78.0°F |
| Frontignan | 80.5°F | 74.8°F | 77.0°F |
| Narbonne | 80.2°F | 74.6°F | 74.8°F |
| Beziers | 79.6°F | 72.9°F | 74.8°F |
| Evian-les-Bains | 79.5°F | 75.3°F | 76.2°F |
| Avoriaz | 79.4°F | 75.6°F | 76.2°F |
| Chamonix | 79.2°F | 75.5°F | 76.6°F |
| Biarritz | 78.7°F | 76.7°F | 76.4°F |
| Bordeaux | 78.5°F | 75.8°F | 76.1°F |
| Arcachon | 78.4°F | 75.1°F | 74.5°F |
| Megeve | 78.4°F | 74.7°F | 77.1°F |
| Annecy | 78.0°F | 74.3°F | 76.8°F |
| La Rochelle | 75.1°F | 72.4°F | 72.3°F |
| Deauville | 73.3°F | 71.0°F | 70.2°F |
| Le Havre | 72.6°F | 70.6°F | 69.9°F |
| Saint Malo | 71.5°F | 70.0°F | 68.8°F |
| Etretat | 71.4°F | 69.6°F | 68.6°F |
| Rennes | 70.9°F | 69.2°F | 68.3°F |
Please see following sea water temperature averages charts for the warmest France resorts in August.
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
France Resorts:
NAME
F°
| Antibes |  |
+82 |
| Arcachon | |
+70 |
| Cannes | |
+82 |
| Corsica |  |
+78 |
| Deauville | |
+58 |
| Etretat | |
+64 |
| Marseilles | |
+80 |
| Menton | |
+80 |
| Montpellier |  |
+78 |
| Nice | |
+76 |
| Paris | |
+62 |
| Perpignan | |
+78 |
| Saint-Tropez |  |
+82 |
| Toulon | |
+82 |
| Toulouse | |
+74 |
