Bundoran, Ireland offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Bundoran is known for its surf beaches and the annual Sea Sessions music festival. The best time to travel to Bundoran, 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!