The best time to visit Šibenik is during the shoulder seasons, specifically May, June, September, and early October.During these months, you'll experience pleasant weather, ideal for exploring the city's historic sites and enjoying the coast, without the intense heat and larger crowds of the peak summer months. The sea is warm enough for swimming, and most tourist services are fully operational.For those looking for a more relaxed trip with fewer people, September and early October are particularly good. The weather remains agreeable, and the sea is still inviting. You'll find it easier to book accommodations and restaurant tables, and the pace of life feels a bit more local.If your primary focus is sunbathing and swimming, then July and August offer the hottest temperatures and the warmest sea.