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: Boulogne-sur-Mer, Calais, Dunkirk, Le Touquet and Bray-Dunes.

Month Sea temperature
January 45°F to 47°F
February 45°F to 47°F
March 45°F to 47°F
April 49°F to 50°F
May 54°F to 54°F
June 58°F to 59°F
July 61°F to 63°F
August 64°F to 66°F
September 64°F to 65°F
October 61°F to 62°F
November 57°F to 58°F
December 51°F to 53°F

Where and when should you swim in the North of France?

Boulogne-sur-Mer

Best time to swim in Boulogne-sur-Mer

The best months for swimming in Boulogne-sur-Mer are august et september.

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Calais

Best time to swim in Calais

The best months for swimming in Calais are august et september.

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Dunkirk

Best time to swim in Dunkirk

The best months for swimming in Dunkirk are august et september.

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Le Touquet

Best time to swim in Le Touquet

The best months for swimming in Le Touquet are august et september.

see
Bray-Dunes

Best time to swim in Bray-Dunes

The best months for swimming in Bray-Dunes are august et september.

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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: Boulogne-sur-Mer, Calais, Dunkirk, Le Touquet and Bray-Dunes.

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