Ribeira Grande de Santiago (Cidade Velha), Cape Verde offers 1 beach perfect for sunbathing, surfing, swimming, and more. Ribeira Grande de Santiago (Cidade Velha), Ribeira Grande, Cape Verde, is known for its historical significance as a UNESCO World Heritage Site featuring the ruins of the first European colonial settlement in the tropics. The best time to travel to Ribeira Grande de Santiago, Cape Verde, is from November to June, with average air temperatures around 24-29°C (75-84°F) and water temperatures around 23-26°C (73-79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!