Valletta, Malta offers 1 beach perfect for sunbathing, surfing, swimming, and more. Valletta is known for its historic sites such as St. John's Co-Cathedral and the Grandmaster's Palace. The best time to travel to Valletta, Malta, is from April to June, with average air temperatures around 20-25°C (68-77°F) and water temperatures around 18-22°C (64-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!