Millport, United Kingdom offers 4 beaches perfect for sunbathing, surfing, swimming, and more. Millport is known for the Cathedral of The Isles and the Garrison House. The best time to travel to Millport, United Kingdom, 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 13-16°C (55-61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!