St Keverne, United Kingdom offers 1 beach perfect for sunbathing, surfing, swimming, and more. St Keverne, England, United Kingdom, is known for the Manacles, a popular diving site with shipwrecks. The best time to travel to St Keverne, United Kingdom, is from June to August, when the average air temperature is around 18°C (64°F) and the sea temperature is approximately 16°C (61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!