San Simon, Spain offers 3 beaches perfect for sunbathing, surfing, swimming, and more. San Simon is known for its picturesque beaches and serene coastal landscapes. The best time to travel to San Simón, Spain, is during late spring to early summer (May to June), when the average air temperature ranges from 18°C to 24°C (64°F to 75°F) and the water temperature is around 17°C to 20°C (63°F to 68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!