The best time to go to Agios Konstantinos for pleasant weather and fewer crowds is during the shoulder seasons of May, early June, or September.These months offer warm, sunny days great for enjoying the beaches and outdoor activities without the peak summer heat and larger crowds of July and August. The sea is usually warm enough for swimming by late May, and the island maintains a relaxed, welcoming pace. You'll find most shops, restaurants, and attractions open, but with an easier-going atmosphere.For couples seeking a romantic getaway, early June or September are particularly lovely. The evenings are mild, ideal for waterfront dining, and you can enjoy the natural beauty and historic sites without feeling rushed. The hiking trails are also more comfortable to explore during these times.Families travelling with younger children might find late May or early June appealing. The temperatures are comfortable for little ones, and the beaches aren't as crowded, making for a more relaxed holiday experience.