De Cocksdorp, Ireland offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Connaught, Ireland, is known for the stunning landscapes of Connemara National Park and the historic Kylemore Abbey. The best time to travel to De Cocksdorp, Ireland, is from June to August, with average air temperatures around 15-20°C (59-68°F) and water temperatures around 14-17°C (57-63°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!