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Chile, South America

Atacama Desert in May

Crisp and clear, with excellent stargazing and few visitors. Pack a warm jacket for early starts.

BestMild days near 72F (22C), nights near freezing
Valle de la Luna Atacama, Atacama Desert
Atacama DesertPhoto: Diego Delso, CC BY-SA 4.0

The straight answer

May is one of the best months of the year to visit Atacama Desert. Crisp and clear, with excellent stargazing and few visitors. Pack a warm jacket for early starts.

Weather
Mild days near 72F (22C), nights near freezing
Crowds
2 of 5
Prices
2 of 5

What May is like in Atacama Desert

May is crisp, clear and quiet. Days are mild, near 72F (22C), and nights drop to around freezing. The air is very dry, the skies are sharp, and there are few visitors. Prices are among the lowest of the year, and the high-altitude tours run on schedule.

It is ideal for stargazers and for travelers who want calm trails and good value. Families with older kids will enjoy the space and astronomy, as long as everyone packs real winter layers for the early starts. If you hate cold mornings, April or October are a little gentler.

Make the most of May

What is especially good about Atacama Desert this month.

01

Some of the year's darkest skies

Dry air and the Milky Way core overhead make May nights excellent for telescope tours.

02

Low prices and easy booking

Hotels and tours are cheaper than in summer, and you can often book a day ahead.

03

Quiet sunsets at Valle de la Luna

Fewer visitors means more room at the viewpoints as the salt ridges turn orange.

What to pack for May

  • A real winter jacket for nights near freezing
  • Thermal base layers for El Tatio
  • Warm gloves and a beanie
  • Sunscreen, since midday sun is strong at altitude

Our timing tip

Pick a hotel with heating; many budget rooms in San Pedro are unheated and nights get cold this month.

Book Atacama Desert for May.

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What's on in May

Milky Way core season

Roughly April through September

The brightest part of the Milky Way is overhead in the evening. Plan around the new moon for the best views.

Things to do in Atacama Desert

Full guide
01

Valle de la Luna

A valley of salt formations, dunes, and ridges. Sunset from the viewpoints is the classic experience; entry is limited, so book ahead in high season.

Tickets and tours →

02

El Tatio geysers

Leave San Pedro before dawn to see the geysers at their most active. It is freezing at that hour in any season, so dress in layers.

Tickets and tours →

03

Stargazing tour

Local operators set up telescopes outside town. Book on nights close to the new moon for the darkest skies.

Tickets and tours →

04

Laguna Cejar

A salt lagoon so dense you float, a short drive from San Pedro. Rinse off afterward; the salt dries fast.

Tickets and tours →

05

Altiplanic lagoons (Miscanti and Miniques)

Deep blue lakes below volcanoes at over 13,000 feet. Go after a few days acclimatizing in San Pedro.

Tickets and tours →

06

ALMA Observatory

One of the world's largest radio telescope arrays. Free public visits to the operations support facility run on weekends and must be booked in advance.

Official site ↗Tickets and tours →

Beat the crowds

  • Avoid Chile's summer holidays (January and February) and the July winter break, when San Pedro fills with domestic travelers.
  • Book stargazing tours for nights near the new moon; tours still run on full moon nights, but the stars are washed out.
  • Spend the first two days on lower-altitude trips like Valle de la Luna before tackling El Tatio and the high lagoons.
  • April, May, October, and November combine clear weather with lower prices and fewer visitors.

Know before you go

  • Summer storms in January and February can close roads and cancel tours to El Tatio, the high lagoons, and the Bolivian border.
  • Winter snow in June through August can close the high passes and routes to Uyuni.
  • Valle de la Luna and some other sites are managed by local Indigenous communities or public agencies and may close on certain days or have capped entry.
  • ALMA public visits run only on weekends and require advance booking.

Atacama Desert in May, quick answers

Is May a good time to visit Atacama Desert?

May is one of the best months of the year to visit Atacama Desert. Crisp and clear, with excellent stargazing and few visitors. Pack a warm jacket for early starts.

What is the weather like in Atacama Desert in May?

Mild days near 72F (22C), nights near freezing.

Is Atacama Desert crowded in May?

May is one of the quieter months in Atacama Desert; most sights can be done without long waits.

What is happening in Atacama Desert in May?

Milky Way core season (roughly april through september).

Keep planning Atacama Desert.

The months either side, and the best one if this is not it.

  1. 01Atacama Desert in AprilThe month before: Mild days near 75F (24C), cold nights near 36F (2C)Best
  2. 02Atacama Desert in JuneThe month after: Cool days near 70F (21C), cold nights near 28F (minus 2C)Good
  3. 03Atacama Desert in SeptemberThe next best month: Warming, days near 73F (23C), cold nightsBest

Also at their best in May

Everywhere in May

Where else is good in May?

Tell us when you can go and what kind of trip you want. We rank every place we cover for that exact month.

What kind of trip? Pick any.

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