Best time to swim in the North of France Sea temperature by month
Do you want to go to the seaside in the North of France? But when should you go to be sure to enjoy good sea water temperature and be able to swim for a long time? Now or another month during the year? On this page, find the sea temperature by month in the North of France.
Swimming in the North of France by month
Discover swimming conditions in detail in the North of France by month below. Click on the links for each month to see details about the sea temperature in the cities of: Audinghen, Boulogne-sur-Mer, Bray-Dunes, Calais and Dunkirk.
Where and when should you swim in the North of France?

Best time to swim in Boulogne-sur-Mer
The best months for swimming in Boulogne-sur-Mer are %MONTHS.
Other cities and places in the North of France:
Water temperatures in the North of France over the entire year
On this chart, we show you the variation of the average sea water temperature in the North of France for the cities of: Audinghen, Boulogne-sur-Mer, Bray-Dunes, Calais and Dunkirk.