Monthly weather forecast and climate
Saint-Valery-en-Caux, France FR

Best months for swimming (with the highest average sea temperature) are August and September (17.8°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).

The month with the longest days is June (Average daylight: 16.3h).
The month with shortest days is December (Average daylight: 8.2h).