Monthly water temperature across Belle-Île-en-Mer's sites, from satellite sea-surface data corrected for depth. The band shows the site-to-site spread.
Water temperature around Belle-Île-en-Mer ranges from about 10°C in January to 19°C in August, based on satellite sea-temperature data for its dive sites.
In the warm season (about 19°C) a 5mm suit is comfortable in Belle-Île-en-Mer; in the coldest months (about 10°C) step up to a drysuit.
Fin maps 10 sites in Belle-Île-en-Mer (5 scuba diving sites and 5 snorkelling spots).
10 more sites to explore
