Penrhyn Side, United Kingdom offers 1 beach perfect for sunbathing, surfing, swimming, and more. Penrhyn Side, Wales, United Kingdom, is known for its proximity to the Great Orme and the historic town of Llandudno. The best time to travel to Penrhyn Side, United Kingdom, is during the summer months of June to August, when the average air temperature is around 15-20°C (59-68°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!