France

Brittany

Brittany - photo 1

Photo by Antoine Pouligny on Unsplash.

Brittany (France) is a North Atlantic diving region shaped by a rugged coastline and the nearby Celtic Sea. In this part of the country, divers commonly find cool-to-mild water temperatures, changing tidal currents, and visibility that varies with weather and season. Most diving focuses on shore and short boat trips along rocky coasts, where you can expect ledges, overhangs, and small reef-like structures rather than warm-water “tropical” scenery. Marine life is typically seasonal and includes common temperate species such as octopus, crabs, lobsters, and a range of reef fish. Access is often via regional hubs like the Finistère area, making it practical for day trips and multi-site planning with local centres.

Essential information for traveling in France

About France

Sea
Mediterranean Sea - Western Basin, Celtic Sea, ...
Timezone
Europe/Paris
Languages
FR
Demonym
French
Phone prefix
+33

Practicalities

Currency
EUR
Plug type
Type C, Type E, Type F
Airports
CDG ORY MRS NCE TLS

Diving specifics

Temperature
°C
Depth units
meters
Pressure
bar
Regulators
DIN Yoke (INT)

Top scuba diving cities in the region of Brittany

Sorted by popularity

Dive sites and dive centers around Brittany

The cities

The best time to dive in Brittany

The best months to dive in Brittany are from May to August. Temperatures are confortable (14-19°C), currents are mild and the visibility is at its best.

Excellent Good Fair Mitigated
01 - Jan.
7 °C 9 °C 5/10
02 - Feb.
8 °C 9 °C 7/10
03 - Mar.
9 °C 10 °C 8/10
04 - Apr.
12 °C 13 °C 7/10
05 - May
14 °C 16 °C 7/10
06 - Jun.
17 °C 18 °C 7/10
07 - Jul.
18 °C 19 °C 7/10
08 - Aug.
19 °C 19 °C 7/10
09 - Sept.
15 °C 18 °C 6/10
10 - Oct.
13 °C 16 °C 6/10
11 - Nov.
12 °C 13 °C 5/10
12 - Dec.
9 °C 11 °C 5/10

Based on last year's weather. Scores compare months for this destination only and are indicative. A mitigated month may still suit many divers.

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