The best time to visit Cerro Alegre, Valparaíso, is during the spring (October to December) and autumn (March to May) months. These periods offer pleasant weather, avoiding the peak summer crowds and the cooler, sometimes rainy, winter.During spring, the weather is generally mild and sunny, with temperatures ranging from the mid-60s to low 70s Fahrenheit. This makes it ideal for exploring the steep, colorful streets on foot and enjoying the outdoor art and views. The gardens and hillsides are also particularly green and lush at this time. Couples often appreciate the comfortable temperatures for leisurely strolls and al fresco dining.Autumn also provides agreeable conditions, with warm days and fewer tourists than the summer high season. Temperatures are similar to spring, making it a great time for photography and enjoying the many viewpoints without excessive heat.