Plage de Notre-Dame
Ile de Porquerolles, Hyeres · Golden Sand
August Average: 23.5°C
FR
France Sea Temperature in August
Historical 30-year sea surface temperatures across 35 coastlines in France for August. Derived from NOAA 0.25° blended satellite and in-situ marine observations.
Notice: 30-year historical climatological monthly mean (1991–2020), not a live single-day sensor forecast.
Côte d’Azur & Corsica vs English Channel & Brittany
France’s Mediterranean coast (French Riviera and Corsica) enjoys sheltered 24.5–25.5°C August waters protected by the Maritime Alps. Conversely, Brittany and Normandy face 8–12 meter tidal ranges and strong currents that continuously mix the water column, limiting summer temperatures to 16.5–18.0°C.
Oceanographic Phenomenon:
Ligurian Current vs Macrotidal Channel Currents
Thermal Lag Characteristic:
Corsican and Riviera thermal lag: sheltered gulfs retain comfortable swimming conditions (21.5°C) well into October.
Peak Bathing Average:
August (24.8°C)