Port Glasgow, United Kingdom offers 1 beach perfect for sunbathing, surfing, swimming, and more. Port Glasgow is known for Newark Castle and its shipbuilding heritage. The best time to travel to Port Glasgow, United Kingdom, is from June to August, with average air temperatures around 15-20°C (59-68°F) and water temperatures around 13-15°C (55-59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!