Ayacucho, Peru experiences a mild climate year-round, with temperatures ranging from cool to warm. Winters are relatively cool, with average temperatures in the mid-10s to low 20s Celsius, while springs and autumns are pleasant, with temperatures gradually warming up into the high 20s. Summers are hot, but not excessively so, with temperatures often reaching as high as 30 degrees Celsius. The temperature fluctuations between day and night can be significant, especially during the cooler months. Generally, the region's temperature peaks in late September to early October, before slowly declining over the next few months.