Swimming in the North of France in august 2025 Sea temperature by city in august
Do you want to go to the beach in the North of France in august 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in august in the North of France by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in the North of France in august 2025
Here, find the average sea temperature in the North of France in august in several coastal cities.
Pas-de-Calais in august
65°F
min: 63°F / max: 67°F
64°F
min: 62°F / max: 67°F
65°F
min: 63°F / max: 67°F
65°F
min: 62°F / max: 67°F
65°F
min: 63°F / max: 67°F
Berck
65°F
min: 62°F / max: 67°F
Nord in august
66°F
min: 63°F / max: 68°F
66°F
min: 63°F / max: 68°F
64°F
min: 63°F / max: 67°F
Grand-Fort-Philippe
64°F
min: 62°F / max: 67°F
Where should you go swimming in the North of France in the month of august?
Swimming in the North of France in august is cool
In august in the North of France swimming conditions are generally the same everywhere.
Swimming in august in Boulogne-sur-Mer, Calais, Dunkirk, Le Touquet, Bray-Dunes, Wissant, Audinghen, Berck, Escalles, Petit Fort Philippe, Ambleteuse, Equihen-Plage, Grand-Fort-Philippe, Sangatte and Wimereux is possible but the sea is generally cool. So though the sea temperature may sometimes reach 67°F, it can also go as low as 63°F. Note that the average is 65°F.
Where to go swimming in the North of France in august: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in august
Boulogne-sur-Mer
| August | |||
| Average sea temperature | 65°F | ||
| Minimum sea temperature | 63°F | ||
| Maximum sea temperature | 67°F | ||
| Average outside temperature | 65°F | ||
| Maximum outside temperature | 68°F | ||
| Minimum outside temperature | 63°F | ||
| Precipitation | 3.9in | ||
| Number of days of precipitation | 6 jour(s) (21%) | ||
| Cloud cover | 37% | ||
| Our opinion | cool swimming |
More information on swimming in Boulogne-sur-Mer in august
Calais
| August | |||
| Average sea temperature | 64°F | ||
| Minimum sea temperature | 62°F | ||
| Maximum sea temperature | 67°F | ||
| Average outside temperature | 65°F | ||
| Maximum outside temperature | 68°F | ||
| Minimum outside temperature | 63°F | ||
| Precipitation | 4.4in | ||
| Number of days of precipitation | 7 jour(s) (22%) | ||
| Cloud cover | 38% | ||
| Our opinion | cool swimming |
More information on swimming in Calais in august
Dunkirk
| August | |||
| Average sea temperature | 66°F | ||
| Minimum sea temperature | 63°F | ||
| Maximum sea temperature | 68°F | ||
| Average outside temperature | 67°F | ||
| Maximum outside temperature | 70°F | ||
| Minimum outside temperature | 63°F | ||
| Precipitation | 4.1in | ||
| Number of days of precipitation | 7 jour(s) (21%) | ||
| Cloud cover | 38% | ||
| Our opinion | cool swimming |
More information on swimming in Dunkirk in august
Le Touquet
| August | |||
| Average sea temperature | 65°F | ||
| Minimum sea temperature | 63°F | ||
| Maximum sea temperature | 67°F | ||
| Average outside temperature | 67°F | ||
| Maximum outside temperature | 68°F | ||
| Minimum outside temperature | 63°F | ||
| Precipitation | 4.5in | ||
| Number of days of precipitation | 7 jour(s) (23%) | ||
| Cloud cover | 40% | ||
| Our opinion | cool swimming |
More information on swimming in Le Touquet in august
Bray-Dunes
| August | |||
| Average sea temperature | 66°F | ||
| Minimum sea temperature | 63°F | ||
| Maximum sea temperature | 68°F | ||
| Average outside temperature | 67°F | ||
| Maximum outside temperature | 72°F | ||
| Minimum outside temperature | 63°F | ||
| Precipitation | 3.9in | ||
| Number of days of precipitation | 6 jour(s) (21%) | ||
| Cloud cover | 39% | ||
| Our opinion | cool swimming |
More information on swimming in Bray-Dunes in august
List of coastal cities in the North of France
| Boulogne-sur-Mer in august | cool swimming |
| Calais in august | cool swimming |
| Dunkirk in august | cool swimming |
| Le Touquet in august | cool swimming |
| Bray-Dunes in august | cool swimming |
| Wissant in august | cool swimming |
| Audinghen in august | cool swimming |
| Berck in august | cool swimming |
| Escalles in august | cool swimming |
| Petit Fort Philippe in august | cool swimming |
| Ambleteuse in august | cool swimming |
| Equihen-Plage in august | cool swimming |
| Grand-Fort-Philippe in august | cool swimming |
| Sangatte in august | cool swimming |
| Wimereux in august | cool swimming |