Llangennith, United Kingdom offers 1 beach perfect for sunbathing, surfing, swimming, and more. Llangennith is known for its stunning Rhossili Bay, a popular destination for surfers and beachgoers. The best time to visit Llangennith, United Kingdom, is during the summer months of June to August, when the average air temperature is around 16-20°C (61-68°F) and the sea temperature is approximately 15-17°C (59-63°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!