Porthcawl, United Kingdom offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Porthcawl is known for its annual Elvis Festival and the Grand Pavilion. The best time to travel to Porthcawl, United Kingdom, is during the summer months of 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!