May marks the beginning of the dry season in the Peruvian Andes, making it an ideal month to hike the legendary Inca Trail to Machu Picchu. During this period, rainfall significantly decreases, landscapes remain lush from the previous wet season, and the weather is perfect for trekking.
However, May is also a month of high demand, so booking in advance is crucial. This guide covers everything you need to know about hiking the Inca Trail in May, including weather conditions, advantages and disadvantages, permit availability, essential gear, and expert tips to make the most of your adventure.
May is the first month of the dry season in Cusco, offering mostly sunny days and cold nights.
Daytime temperatures: Between 15°C and 22°C (59°F – 72°F), ideal for hiking.
Nighttime temperatures: Can drop to 0°C (32°F) or lower, especially at higher-altitude campsites.
Rain probability: Very low compared to previous months, but occasional showers are still possible.
Humidity: Low during the day, but mornings can be misty.
Tip: Despite the low chance of rain, carrying a lightweight waterproof jacket is recommended for unexpected weather changes.
Dry weather with comfortable temperatures.
Green landscapes after the rainy season.
Clear skies perfect for photography.
Fewer mosquitoes compared to wetter months.
Fewer tourists than in peak months like June or July.
Cold nights (temperatures can drop to freezing).
High demand for permits—booking months in advance is necessary.
Higher tour prices as peak season approaches.
Tip: Book your permit 4-6 months in advance and bring a high-quality sleeping bag for cold nights.
The Inca Trail is regulated by the Peruvian government, allowing only 500 people per day (including tourists, guides, and porters).
When to book: Ideally 6 months in advance.
Where to book: Only through an authorized tour operator, as independent hiking is not allowed.
Estimated cost: Between $500 and $800 USD per person, depending on the agency and services included.
Alternative: If permits are sold out, consider trekking the Salkantay Trail or Lares Trek, which don’t require permits and offer breathtaking views.
Layered clothing: Long-sleeve shirts, windproof jacket, and warm layers.
Waterproof trekking boots.
Sun protection: Sunglasses, hat, and sunscreen.
Sleeping bag suitable for -5°C (23°F).
Trekking poles.
Drink at least 2 liters of water daily.
Bring water purification tablets or a filter.
Pack high-energy snacks like nuts and granola bars.
Arrive at least two days before the trek to adjust to the altitude.
Avoid heavy meals and alcohol before hiking.
Take it easy on the first day and get plenty of rest.
Any date in May is good, but the first two weeks tend to be less crowded while still maintaining the greenery from the rainy season.
Yes, but it’s important to train beforehand and acclimate properly in Cusco before starting the trek.
No mandatory vaccines are needed, but being vaccinated against yellow fever is recommended. Bringing a personal first aid kit with basic medications is also advised.
Yes, although it’s less frequent than in previous months. A lightweight rain jacket is recommended.
No, the Inca Trail can only be done with a licensed tour operator.
Altitude sickness is common and can cause headaches, nausea, and dizziness. To prevent it:
Arrive in Cusco at least 2-3 days before the trek.
Stay hydrated and avoid alcohol or heavy meals.
Chew coca leaves or drink coca tea to help with acclimatization.
It’s not necessary—tour operators provide tents, food, and cooking equipment. You only need to bring your sleeping bag and personal items.
Yes, the trek is well-organized and led by professional guides. As long as you follow safety guidelines and prepare properly, it’s a secure and enjoyable experience.