Millhouse, United Kingdom offers 1 beach perfect for sunbathing, surfing, swimming, and more. Millhouse, Scotland, United Kingdom, is known for its proximity to the scenic Kyles of Bute and the historic Kilmodan Church. The best time to travel to Millhouse, United Kingdom, is during late spring to early summer (May to June) when the average air temperature is around 15-20°C (59-68°F) and water temperature is approximately 10-15°C (50-59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!