Bremen, Ireland offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Bremen is known for the UNESCO World Heritage Site of the Town Hall and Roland Statue. The best time to travel to Bremen, Ireland, is during the summer months of 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!