Montalban, Spain offers 1 beach perfect for sunbathing, surfing, swimming, and more. Montalban is known for its historic Castle of Montalban and the nearby UNESCO World Heritage Site of the Mudéjar Architecture of Aragon. The best time to travel to Montalban, Spain, is in late spring (May to June) when the average air temperature is around 20-25°C (68-77°F) and water temperature is approximately 18-20°C (64-68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!