Llanddona, United Kingdom offers 1 beach perfect for sunbathing, surfing, swimming, and more. Llanddona is known for its picturesque beach and proximity to the historic Llanddona Moors and the legend of the Llanddona Witches. The best time to travel to Llanddona, 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 water 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!