Coney Island, Ireland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Connaught is known for the Wild Atlantic Way, Connemara National Park, and the Aran Islands. The best time to visit Coney Island, Ireland, is during the summer months of June to August, when the average air temperature is around 60-65°F (15-18°C) and the water temperature is approximately 55-60°F (13-16°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!