The France resorts with the warmest sea water temperature in December are Aiacciu, Bunifaziu and Corsica.
Below you can see a list of all popular France resorts and information about sea water temperature in December for the last two years.
| Resort Name | December 2025 | December 2024 | December 2023 |
|---|---|---|---|
| Aiacciu | 64.2°F | 63.0°F | 62.5°F |
| Bunifaziu | 64.2°F | 63.3°F | 62.2°F |
| Corsica | 64.1°F | 63.0°F | 62.5°F |
| Calvi | 64.0°F | 62.8°F | 62.5°F |
| Bastia | 64.0°F | 63.0°F | 62.6°F |
| Propriano | 63.9°F | 63.0°F | 62.2°F |
| Saint Jean Cap Ferrat | 63.7°F | 62.6°F | 61.8°F |
| Roquebrune Cap Martin | 63.5°F | 62.5°F | 61.5°F |
| Nice | 63.5°F | 62.5°F | 61.7°F |
| Menton | 63.4°F | 62.5°F | 61.5°F |
| Theoule Sur Mer | 63.3°F | 62.2°F | 61.7°F |
| Mandelieu la Napoule | 63.3°F | 62.2°F | 61.7°F |
| Cavalaire sur Mer | 63.3°F | 62.1°F | 61.3°F |
| Antibes | 63.3°F | 62.2°F | 61.5°F |
| Juan les Pins | 63.3°F | 62.2°F | 61.5°F |
| Cannes | 63.3°F | 62.2°F | 61.6°F |
| Saint Laurent du Var | 63.2°F | 62.3°F | 61.6°F |
| Cagnes sur Mer | 63.2°F | 62.3°F | 61.5°F |
| Golfe Juan | 63.2°F | 62.2°F | 61.5°F |
| Portivecju | 63.2°F | 62.9°F | 62.1°F |
| Saint-Tropez | 63.1°F | 62.0°F | 61.3°F |
| Frejus | 63.1°F | 62.1°F | 61.4°F |
| Le Lavandou | 63.1°F | 61.7°F | 61.0°F |
| Sainte Maxime | 63.0°F | 62.0°F | 61.2°F |
| La Londe les Maures | 62.8°F | 61.4°F | 60.6°F |
| Bandol | 62.6°F | 60.9°F | 60.3°F |
| Sanary-sur-Mer | 62.6°F | 60.8°F | 60.4°F |
| La Seyne sur Mer | 62.6°F | 60.9°F | 60.4°F |
| Toulon | 62.6°F | 60.9°F | 60.4°F |
| Cassis | 62.5°F | 61.0°F | 60.0°F |
| Saint Syr Sur Mer | 62.5°F | 61.0°F | 60.2°F |
| La Ciotat | 62.5°F | 61.1°F | 60.1°F |
| Marseilles | 61.6°F | 60.4°F | 59.0°F |
| Biarritz | 59.5°F | 56.9°F | 58.4°F |
| Perpignan | 57.9°F | 59.5°F | 57.4°F |
| Narbonne | 57.7°F | 59.2°F | 56.6°F |
| Frontignan | 57.4°F | 58.0°F | 55.6°F |
| Avignon | 57.4°F | 58.0°F | 55.5°F |
| Beziers | 57.2°F | 58.0°F | 55.7°F |
| Palavas les Flots | 56.9°F | 57.5°F | 55.2°F |
| Arcachon | 56.9°F | 55.2°F | 55.9°F |
| Montpellier | 56.5°F | 57.1°F | 54.9°F |
| Le Grau Du Roi | 56.4°F | 57.1°F | 54.7°F |
| Bordeaux | 55.5°F | 52.5°F | 51.7°F |
| Saint Malo | 52.8°F | 51.6°F | 51.7°F |
| Rennes | 52.6°F | 51.5°F | 51.3°F |
| La Rochelle | 52.0°F | 50.9°F | 52.0°F |
| Etretat | 51.8°F | 51.2°F | 51.1°F |
| Deauville | 50.3°F | 49.9°F | 49.3°F |
| Le Havre | 49.9°F | 49.8°F | 49.1°F |
| Annecy | 49.9°F | 49.5°F | 51.5°F |
| Megeve | 49.6°F | 49.3°F | 51.0°F |
| Avoriaz | 49.4°F | 48.9°F | 48.4°F |
| Evian-les-Bains | 49.3°F | 49.0°F | 48.6°F |
| Chamonix | 48.9°F | 49.0°F | 48.6°F |
Please see following sea water temperature averages charts for the warmest France resorts in December.
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°
| Annecy |  |
+30 |
| Antibes |  |
+54 |
| Biarritz | |
+50 |
| Bordeaux |  |
+44 |
| Cannes | |
+52 |
| Corsica | |
+54 |
| Etretat | |
+46 |
| Marseilles | |
+54 |
| Menton | |
+54 |
| Montpellier |  |
+52 |
| Nice | |
+50 |
| Paris | |
+42 |
| Saint-Tropez | |
+56 |
| Toulon | |
+52 |
| Toulouse | |
+50 |
