Understanding the weather in Peru is essential for planning your visit, especially if you're heading to iconic destinations like Machu Picchu and Cusco. Peru's climate can be quite diverse due to its varied geography, which includes coastal regions, high mountains, and dense jungles. In general, the country experiences two main seasons: the dry season (May to September) and the rainy season (October to April).
During the dry season, the weather is typically sunny and clear, making it an ideal time for trekking and exploring outdoor sites. This is particularly true for Machu Picchu, where clear skies offer stunning views of the ancient ruins and the surrounding landscape. However, it's important to note that nights can be quite chilly in the mountains, so pack layers to stay comfortable.
On the other hand, the rainy season brings frequent showers, especially in the afternoons, which can lead to muddy trails and occasional landslides. While the rain can deter some tourists, visiting during this period can also mean fewer crowds and lush, green scenery. Just be sure to bring waterproof gear and sturdy hiking boots.
In Cusco, temperatures can fluctuate significantly, with daytime highs around 65°F (18°C) and nighttime lows dipping to 30°F (-1°C), particularly in June and July. For those traveling to the Sacred Valley, expect a milder climate with warmer temperatures, but still be prepared for sudden changes in weather.
When planning your itinerary, consider the cultural events that may coincide with your visit. Festivals such as Inti Raymi in June, celebrating the Winter Solstice, can add a vibrant cultural experience to your trip, but may also affect accommodation availability. Lastly, regardless of when you visit, it’s wise to stay hydrated and use sunscreen, as the high altitude can intensify the sun's rays.