How to Pack for Peru’s Varied Climate Zones
Pack using a strict layering system to accommodate tropical humidity in the Amazon, dry heat in the desert, and freezing temperatures in the high Andes. You need high-quality synthetic base layers and a reliable, packable down jacket that fits under a waterproof shell.
- Adopt the Three-Layer System. Bring a moisture-wicking base layer (merino wool), a thermal mid-layer (fleece or down vest), and a wind-and-waterproof outer shell. This allows you to shed or add layers within a 15-minute window as you move from valley floors to mountain passes.
- Prioritize Footwear. Bring one pair of broken-in waterproof hiking boots with ankle support for the Andes, and one pair of breathable sneakers for cities or the Amazon. Wear your heaviest boots on the plane to save weight.
- Use Compression Cubes. Organize your bag by climate. Keep all 'Cold Weather' gear in one cube and 'Warm Weather/Humid' gear in another. This prevents you from dumping your entire bag out every time you change altitude.
- Manage Sun and Bug Protection. At high altitudes (Cusco/Machu Picchu), the sun is intense; pack a hat with a brim and high-SPF zinc-based sunscreen. For the Amazon, bring DEET-based repellent and long-sleeved, light-colored, tightly woven clothing to deter mosquitoes.
- Can I just buy warm gear in Cusco?
- Yes. Cusco is full of shops selling alpaca sweaters and down jackets. If you are tight on space, buy your heavy layer there—it's cheaper than imported technical gear from home.
- How much luggage should I bring?
- Stick to one 40-50 liter backpack. Internal flights and train transfers in Peru have strict weight limits, and hauling a suitcase over cobblestone streets is difficult.