Wicklow, Ireland offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Wicklow is known for the Wicklow Mountains National Park and the historic Glendalough monastic site. The best time to travel to Wicklow, Ireland, is from May to September, with average air temperatures ranging from 10°C to 18°C and water temperatures around 12°C to 15°C. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!