The best time to go to Monolithos is during the shoulder seasons of May, early June, or September, and early October. These months offer pleasant weather, fewer crowds, and a more relaxed experience compared to the peak summer months.During May and early June, the weather is warm and sunny, ideal for enjoying the beaches and outdoor activities without the intense heat of mid-summer. The island is lush with blooming wildflowers, and the sea is warm enough for swimming. This period is particularly good for couples looking for a romantic getaway with beautiful scenery.September and early October also provide excellent conditions. The summer crowds have thinned out, but the sea remains warm, making it great for swimming and water sports. The temperatures are comfortable for exploring the island's villages and historical sites.