San Pedro de Atacama - Dark Skies - Atacama Desert

This forecast tracks the conditions that make the Atacama Desert the world's premier astrophotography destination. We combine cloud cover, moon phase, and atmospheric transparency data to predict optimal Milky Way and deep-sky conditions.

The Atacama is the driest non-polar desert on Earth, with some areas receiving no measurable rainfall for decades. This extreme aridity, combined with high altitude and minimal light pollution, creates the clearest skies in the world—which is why the world's major observatories are located here.

What makes Atacama special for astrophotography:

• Exceptional clarity - The driest air on Earth means minimal atmospheric distortion
• Southern skies - View the Milky Way core and Southern Hemisphere objects invisible from the north
• High altitude - Locations above 2,400m reduce atmospheric interference
• 300+ clear nights - Near-guaranteed cloudless conditions year-round

The Milky Way core is best visible from February through October. New moon phases are essential for deep-sky work. The desert landscape offers unique foregrounds—salt flats, rock formations, and volcanic peaks beneath an ocean of stars. Consider guided astronomy tours to access the best dark sites.