Portholland, United Kingdom offers 1 beach perfect for sunbathing, surfing, swimming, and more. Portholland, England, United Kingdom, is known for its picturesque coastal scenery and proximity to the Lost Gardens of Heligan. The best time to travel to Portholland, United Kingdom, is from June to August, when the average air temperature is around 18°C (64°F) and the water temperature is approximately 16°C (61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!