Pennard, United Kingdom offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Pennard, Wales, United Kingdom, is known for the scenic Pennard Cliffs and the historic Pennard Castle. The best time to travel to Pennard, United Kingdom, is from June to August, with average air temperatures around 15-20°C (59-68°F) and water temperatures around 15°C (59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!