Pisco, Peru experiences a mild climate year-round, with temperatures rarely dropping below 10°C or rising above 30°C. The warmest months are January through March, with average highs around 23-24°C, while April and May bring slightly cooler temperatures, averaging around 20°C. June to September is the coolest period, with average highs in the mid-teens, but still mild overall. The spring and autumn seasons have a gentle temperature swing, with averages ranging from 17-20°C. Winters are relatively warm, with December being one of the warmer months, averaging 20°C.