Simancas, Spain offers 1 beach perfect for sunbathing, surfing, swimming, and more. Simancas is not known for travel and beach tourism as it is a small town in mainland Spain, not located in the Canary Islands. The best time to travel to Simancas, Spain, is in late spring (May to June) when the average air temperature is around 68°F (20°C) and the water temperature is approximately 64°F (18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!