Here are the Details of France.

When to go
Good Apr - Oct
Marine Life
Mediterranean marine life in abundance around Corsica, especially marine reserves. Less prolific or diverse off Mainland coast. Northern areas has coldwater marine life similar to UK's south coast.
Diving
Warmwater diving in Med waters, coldwater in the North. Diving for all abilities, but some Corsica sites are for advanced divers as are the deep wrecks off the south coast.
Areas
Corsica - including the Levezzi Islands in the south and Calvi in the north-west. Riviera and Porquerolles Island are popular on the south coast - Brittany in northern France.
Cost
Cheap to Moderate
In Water
Full 5mm or 7mm wetsuit for summer, semi-drysuit or drysuit for winter and North.
On Land
Light clothing for spring-summer in south and Corsica. Warmer and rainwear for winter and most times in North.
Hazards
Strong winds in southern France - Currents around Corsica and tides in the North.
Currency
The Euro
Electricity
220V
Visas
False
Info
www.maison-de-la-france.com