Ribeira Grande, Portugal offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Ribeira Grande is known for its stunning volcanic landscapes and beautiful beaches in the Azores. The best time to travel to Ribeira Grande, Portugal, is from May to September, when the average air temperature ranges from 20°C to 25°C (68°F to 77°F) and the average water temperature is around 22°C (72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!