The best time to visit Isili, Sardinia, for pleasant weather and outdoor activities is generally from late spring to early autumn, specifically May to October.Spring (May and June) offers comfortable temperatures, typically ranging from 18°C to 25°C. This period is ideal for exploring the natural beauty around Isili, such as the numerous hiking trails and the nearby Lake San Sebastiano, without the intense heat of summer. You'll find the countryside lush and green, superb for leisurely drives or cycling through the Marmilla region.Summer (July and August) brings the warmest weather, with temperatures often exceeding 30°C. If you enjoy hot sunshine and plan to spend time by the lake or exploring the local Nuragic sites in the early mornings or late afternoons, this is a good time. However, it can be quite warm for extensive walking during the middle of the day.Autumn (September and October) is another excellent time to visit. The heat begins to subside, with temperatures returning to a comfortable 20°C to 28°C range. The grape harvest often happens in September, offering a chance to experience local traditions.