Helston, United Kingdom offers 14 beaches perfect for sunbathing, surfing, swimming, and more. Helston is known for the annual Flora Day festival. The best time to travel to Helston, 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!