The best time to visit Santiago do Cacém is during the spring (April to June) and autumn (September to October) months, when the weather is pleasantly warm and the crowds are smaller.During spring, the countryside around Santiago do Cacém is lush and green, with wildflowers in bloom. Temperatures are comfortable, typically ranging from 18°C to 25°C, making it ideal for exploring the historic town centre, visiting the Santiago do Cacém Castle, and enjoying outdoor activities like hiking or cycling. It's a lovely time for couples to enjoy the scenic beauty and a relaxed pace.Autumn also offers excellent weather, with temperatures similar to spring, usually between 20°C and 27°C. The summer heat has subsided, and the grape harvest season adds another dimension to the region's appeal. This period is superb for travellers who appreciate mild weather for sightseeing and want to experience local traditions. The beaches along the nearby Alentejo coast are still enjoyable during these months, often less crowded than in peak summer.While July and August offer the warmest weather, with temperatures often exceeding 30°C, these months are also the busiest, especially along the coast.