Derrymihin West, Ireland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Derrymihin West, Munster, Ireland, is known for its scenic landscapes and proximity to the Beara Peninsula, attracting tourists interested in outdoor activities and natural beauty. The best time to travel to Derrymihin West, Ireland, is from May to September, with average air temperatures ranging from 50°F to 65°F and water temperatures around 55°F to 60°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!