Harlech, United Kingdom offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Harlech is known for Harlech Castle, a UNESCO World Heritage Site. The best time to travel to Harlech, United Kingdom, is from June to August, with average air temperatures around 15-20°C (59-68°F) and sea temperatures around 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!
