Killough, United Kingdom offers 1 beach perfect for sunbathing, surfing, swimming, and more. Killough is known for its picturesque harbor and the nearby St. John's Point Lighthouse. The best time to travel to Killough, United Kingdom, is from June to August, with average air temperatures around 15-20°C (59-68°F) and water temperatures 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!