The best time to visit Zdrelac for pleasant weather and fewer crowds is during the shoulder seasons, specifically May, early June, or September.During these months, the weather is warm and sunny, with average temperatures ranging from 68°F to 77°F (20°C to 25°C), making it ideal for swimming, sunbathing, and exploring the island's natural beauty without the intense heat of mid-summer. The sea temperature is also comfortable for swimming, typically around 68°F to 72°F (20°C to 22°C).These periods also offer a more relaxed experience with fewer tourists compared to the peak summer months of July and August. You'll find it easier to secure accommodations, enjoy local restaurants without long waits, and have more space on the beaches.