The best time to visit Naantali is during the summer months, particularly from June to August, when the weather is warm and sunny, and the town is at its most active.During this period, Naantali truly comes alive. The Old Town, with its charming wooden houses and narrow streets, is bustling with visitors enjoying outdoor cafes and shops. The Naantali Spa, a popular destination for relaxation, is also in full swing, offering a range of treatments and facilities.Families will find July to be an especially good time to visit, as it coincides with the peak season for Moominworld, the popular theme park located on Kailo Island, just a short walk from the Old Town. The park offers a full schedule of shows and activities for children and adults alike.Couples looking for a romantic getaway will appreciate the long daylight hours and pleasant evenings great for strolls along the waterfront or dining al fresco. The Naantali Music Festival, held in June, also offers a cultural highlight for those interested in classical music.