Dunmore East, Ireland offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Dunmore East is known for its picturesque harbor, the Dunmore East Adventure Centre, and the annual Dunmore East Bluegrass Festival. The best time to travel to Dunmore East, Ireland, is from June to August, when the average air temperature is around 15-20°C (59-68°F) and the water temperature is approximately 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!