The best time to visit Ostuni for most travelers is during the shoulder seasons of May, early June, or September, when the weather is pleasant for exploring without the intense summer heat or crowds.During May and early June, the weather is warm and sunny, with average temperatures ranging from 65°F to 75°F (18°C to 24°C). This period is ideal for couples who want to enjoy the city's white-washed architecture, stroll through its narrow streets, and dine al fresco without the peak summer rush. The olive groves and countryside surrounding Ostuni are also lush and green at this time.September offers similarly agreeable weather, with temperatures typically between 70°F and 80°F (21°C to 27°C). This month is superb for travelers who wish to experience a slightly more relaxed pace, as the summer holidaymakers have departed. The sea remains warm enough for swimming, and the local harvest festivals begin, offering a glimpse into local traditions and cuisine.While July and August are popular for beach holidays, they can be very hot and crowded, especially in the historic center. If your primary goal is to enjoy the Mediterranean beaches and you don't mind the heat and crowds, these months are suitable.