Schiermonnikoog, Ireland offers 9 beaches perfect for sunbathing, surfing, swimming, and more. Schiermonnikoog is known for its National Park and the widest beach in Europe, Connaught is known for the Wild Atlantic Way and Connemara National Park, Ireland is known for the Cliffs of Moher and the Ring of Kerry. The best time to travel to Schiermonnikoog is from June to August, with average air temperatures around 18°C (64°F) and water temperatures around 17°C (63°F), while in Ireland, the best time is also from June to August, with average air temperatures around 15°C (59°F) and water temperatures around 14°C (57°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!