The best time to visit Costa de Caparica is between May and September, when the weather is warm and sunny, superb for enjoying the beaches and outdoor activities.May and June offer pleasant temperatures without the peak summer crowds, making it ideal for those who prefer a more relaxed experience. The sea is warming up, and most beach facilities are open. It's a great time for couples looking for a peaceful getaway with plenty of sunshine.July and August are the hottest months and the busiest, with the resort town buzzing with holidaymakers. This period is superb for families as all water sports, beach clubs, and entertainment options are in full swing. The ocean is at its warmest, making it great for swimming and surfing lessons.September still offers lovely weather and warm ocean temperatures, but with fewer crowds than the peak summer months.