Peru is altitude, Amazon, ancient ruins, and Pacific coast — in one country. The 3,400m elevation of Cusco alone changes everything about what you need to wear. Add the Inca Trail (4,200m passes), the humid Amazon Basin, and Lima’s sea-mist climate, and Peru requires some of the most thoughtful packing of any destination on Earth.
Peru’s Climate Zones
- Lima (sea level): Mild and grey — “garúa” sea mist keeps it at 15–25°C year-round. Never actually rains heavily.
- Cusco (3,400m): 5–20°C with intense UV radiation. Rainy season (Nov–Mar) is much wetter. Dry season (Apr–Oct) is ideal.
- Machu Picchu (2,400m): Warmer than Cusco but unpredictably rainy. Morning clouds, afternoon sun, surprise rain showers.
- Amazon: Hot (28–35°C), humid, wet year-round.
Altitude Packing: The Non-Negotiables
- Temperature swings are extreme: Cusco can be 4°C at night and 18°C at midday. Layering is essential.
- UV radiation is intense at altitude — UV index 16–18 at Cusco, among the highest in the world. Darker, tighter-weave fabrics offer better protection.
- Moisture-wicking is essential — altitude acclimatization makes your body work harder; you’ll perspire more than expected.
What to Wear in Cusco
- Base: Merino wool or moisture-wicking long-sleeve top
- Mid: Fleece or light down layer
- Outer: Lightweight waterproof shell
- Trousers: Slim-fit hiking trousers for sightseeing
- Footwear: Comfortable walking shoes with grip — Cusco’s streets are cobblestone and steep
Cusco nights are cold — down layer + outer shell needed from about 6pm onwards.
What to Wear at Machu Picchu
- Moisture-wicking long-sleeve shirt (UPF protection)
- Lightweight hiking trousers (quick-dry)
- Waterproof jacket in your daypack (rain arrives with no warning)
- Hiking boots or trail runners with grip soles
- Sun hat with brim
- Sunscreen SPF 50 (altitude UV is extreme even through cloud)
What NOT to Wear at Machu Picchu
- High heels or dress shoes — hundreds of uneven stone steps; people have been airlifted out for ankle injuries
- Flip flops or sandals — unsafe on wet stone
- Very revealing clothing — Peru’s Ministry of Culture prohibits dress that could be considered an insult to the heritage site
What to Wear on the Inca Trail
The 4-day Inca Trail reaches 4,215m at Dead Woman’s Pass. Temperatures can drop below 0°C at night.
- Moisture-wicking base layer + fleece mid layer + waterproof outer shell
- Full-length hiking trousers
- Waterproof hiking boots broken in well before the trail
- Down sleeping bag rated to -10°C
- Dry set of camp clothes separate from hiking clothes
What to Wear in the Amazon
- Long-sleeve lightweight shirts and long trousers — for insect protection, not temperature
- Neutral earth tones (khaki, olive, beige) — bright colours attract insects
- Quick-dry everything — you’ll be wet constantly
Complete Peru Packing List
- 3 × merino wool long-sleeve tops
- 2 × moisture-wicking t-shirts
- 2 × hiking trousers (quick-dry, lightweight)
- 1 × fleece or midweight insulating layer
- 1 × down jacket or vest
- 1 × waterproof shell jacket
- 1 × sun hat with full brim
- 1 × warm hat (for cold Cusco nights and high passes)
- 1 × lightweight gloves
- Waterproof hiking boots (worn-in before the trip)
- SPF 50 sunscreen (high altitude UV is extreme)
- DEET insect repellent (for Amazon segments)
Frequently Asked Questions
What is the weather like at Machu Picchu?
Machu Picchu has its own microclimate. Morning often brings cloud and mist. Midday can be sunny and warm (18–22°C). Afternoon rain showers arrive frequently, especially in wet season (November–March). Always have a waterproof layer regardless of how it looks when you arrive.
Is there a dress code for Machu Picchu?
Peru’s Ministry of Culture prohibits “improper dress.” In 2023, several tourists were removed from the site for arriving in underwear or very revealing outfits. Wear proper hiking clothing. Selfie sticks and full-size tripods are also banned inside the site.
Do I need hiking boots for Machu Picchu?
Not mandatory — sturdy trail runners with grip soles are sufficient. The more important consideration is footwear you’ve already walked in enough to know it’s comfortable.
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