The best times to visit Denia are during the shoulder seasons of May, early June, and September, which offer pleasant weather without the peak summer crowds.During these months, you'll experience comfortable temperatures, typically in the low to mid-70s Fahrenheit (20-25°C), ideal for exploring the town and enjoying the beaches. The Mediterranean Sea is warm enough for swimming, and you'll find most local businesses, restaurants, and attractions fully operational. It's a great time for couples to enjoy a relaxed trip, with fewer crowds at popular spots like the Denia Castle and along Las Marinas beach.For those looking for a lively option and guaranteed hot weather, July and August are also excellent times to visit. While these months are busier, they offer the warmest temperatures, superb for beach activities and water sports.