How cold is the Salkantay Pass at night?

The Salkantay Pass, located at approximately 4,630 meters above sea level, is the highest point on the famous trek to Machu Picchu. Due to its high altitude and proximity to the Salkantay mountain, nighttime temperatures can be extremely cold, especially during the dry season in the Andes.

If you are planning to do the Salkantay Trek, you need to ask yourself How cold is the Salkantay Pass at night? it is key to preparing your gear and avoiding an uncomfortable or risky experience.

Average temperature during the night 

Nighttime temperatures near the Salkantay Pass vary depending on the season, but generally remain below freezing.

Approximate temperatures:

• Dry season (April – October):
  between -5°C and -10°C
• Rainy season (November – March):
  between -2°C and -6°C

During particularly cold early mornings, the wind chill can make it feel even colder due to the wind and the low humidity at higher altitudes.

Although most campsites are located slightly below the pass (around 3,800–4,200 m), nights are still very cold, and frost is common.

Why is it so cold in the Salkantay Pass? 

Several factors explain the low temperatures in this area:

1. High altitude
At over 4,600 meters, the atmosphere is thinner and retains less heat.

2. Proximity to a glacier
The trek passes near the Salkantay glacier, which contributes to a cold environment even during the day.

3. Clear skies
During the night, the heat accumulated in the ground dissipates rapidly into the atmosphere.

4. Mountain winds
The wind can intensify the wind chill, making the cold feel more intense.

How to prepare for cold nights 

To comfortably withstand the nighttime temperatures on the Salkantay Trek, it’s essential to have the right gear.

Recommended gear:

• Sleeping bag rated to -10°C or -15°C
• Thermal base layer
• Down or synthetic jacket
• Wool hat
• Gloves
• Thick sleeping socks

It’s also helpful to carry a hot water bottle inside your sleeping bag, a common technique among trekkers to stay warm at night.

Is it possible to sleep well at that temperature? 

Yes, provided you have the right equipment. Many trekking agencies operating in the Cusco region provide sturdy tents and sleeping bags designed for low temperatures.

In addition, campsites are usually set up at slightly lower elevations than the pass, which helps avoid the extreme cold at the highest point.

Conclusión

How cold is the Salkantay Pass at night? The Salkantay Pass is one of the coldest points on the trek, with nighttime temperatures that can drop to -10°C or lower. However, with the right gear and proper preparation, the cold becomes part of the adventure.