December falls within the rainy season in Cusco, Peru. Expect daytime temperatures averaging in the mid-60s Fahrenheit (around 18 degrees Celsius) with significantly cooler nights. Rainfall can be frequent and heavy, often occurring in the afternoons. This period presents a unique experience of the Andean climate.
Understanding the climatic conditions prevalent during this month is crucial for travelers planning to visit. Packing appropriate rain gear and layers of clothing for fluctuating temperatures is essential. While the rain may impact some outdoor activities, the lush landscapes and vibrant green valleys offer a distinct beauty during the wet season. Historically, December marks the transition from the dry to the wet season, influencing agricultural practices and local festivals in the region.