Killala, Ireland offers 1 beach perfect for sunbathing, surfing, swimming, and more. Killala is known for the historic Killala Round Tower and its role in the 1798 Rebellion. The best time to travel to Killala, 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!