Monthly water temperature across Kefalonia's sites, from satellite sea-surface data corrected for depth. The band shows the site-to-site spread.
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Water temperature around Kefalonia ranges from about 16°C in February to 26°C in August, based on satellite sea-temperature data for its dive sites.
In the warm season (about 26°C) a 3mm full suit is comfortable in Kefalonia; in the coldest months (about 16°C) step up to a 7mm or semi-dry suit.
Fin maps 8 sites in Kefalonia (6 scuba diving sites and 4 snorkelling spots, with some suited to both).
Across Kefalonia's dive sites, May, June, July, August, September and October are most often reported as the best months to visit.
7 more sites to explore
