Knocknageeha, Ireland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Knocknageeha is known for its proximity to the scenic MacGillycuddy's Reeks mountain range and the picturesque Gap of Dunloe. The best time to travel to Knocknageeha, 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!