Weather in San Pedro de Atacama
Weather in San Pedro de Atacama: A Month-by-Month Guide
San Pedro de Atacama, nestled in Chile's northern desert region, offers a unique climate characterized by clear skies, significant temperature variations between day and night, and minimal rainfall. Understanding the weather patterns can help you plan the perfect trip to this otherworldly destination.
☀️ Year-Round Climate Overview
Climate Type: Cold desert (BWk)
Altitude: Approximately 2,400 meters (7,900 feet) above sea level
Annual Rainfall: Approximately 83 mm (3.3 inches)
Average Annual Temperature: 14.5°C (58.1°F)
The region experiences over 90% of days with clear skies annually, making it a haven for stargazers and outdoor enthusiasts.
📅 Monthly Temperature and Precipitation
| Month | Avg High (°C) | Avg Low (°C) |
|---|---|---|
| January | 20.6 | 8.9 |
| February | 19.8 | 9.9 |
| March | 19.7 | 8.4 |
| April | 17.8 | 5.5 |
| May | 14.7 | 2.8 |
| June | 12.9 | 1.6 |
| July | 12.2 | 0.3 |
| August | 14.2 | 1.4 |
| September | 15.9 | 3.0 |
| October | 18.2 | 5.2 |
| November | 20.1 | 6.3 |
| December | 20.6 | 7.4 |
🌡️ Seasonal Highlights of the weather in the region
Summer (December – February)
Warm days with average highs around 20°C (68°F) and cooler nights averaging 9°C (48°F) mark the weather of San Pedro de Atacama in summer. This period sees the highest rainfall, particularly in January and February, due to the "Bolivian Winter" phenomenon.
Autumn (March – May)
Gradual cooling with decreasing rainfall. April and May are particularly dry, offering pleasant daytime temperatures and crisp nights, wich are characteristic of the weather of San Pedro de Atacama.
Winter (June – August)
Cooler days with highs between 12°C and 14°C (54°F to 57°F) and cold nights that can drop below freezing. Snowfall is rare but possible, as experienced in June 2021.
Spring (September – November)
Warming trend with minimal rainfall. October and November are ideal for outdoor activities, with comfortable temperatures and clear skies.
🌌 Best Time to Visit
The optimal period for visiting San Pedro de Atacama is from late March to November, when rainfall is minimal, and temperatures are comfortable for daytime excursions and nighttime stargazing. However, each season offers unique experiences, from the lush landscapes following summer rains to the crisp clarity of winter skies.