Duncannon, Ireland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Duncannon is known for its historic Duncannon Fort and scenic beaches. The best time to travel to Duncannon, Ireland, is from June to August, with average air temperatures around 15-20°C (59-68°F) and water temperatures around 14-16°C (57-61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!
