San Pedro de Atacama weather in December
December in San Pedro de Atacama: nice, dry, with clean air — one of the best months to visit.
#2 of 12 months in San Pedro de Atacama · #2 of 604 destinations to visit in December · comfort 96/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
San Pedro de Atacama climate normals — December
| Daytime high | 26°C / 78°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 53°F | |
| Feels like (high) | 23°C / 73°F | |
| Rainfall | 6 mm / 0.2 in | ☀️ dry |
| Rainy days | 1 days | |
| Humidity | 24% | 🌵 dry |
| Dew point | -5°C / 24°F | |
| Sunshine | 12.4 h/day | |
| Daylight | 13.5 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is San Pedro de Atacama?
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San Pedro de Atacama in December — FAQ
- Is December a good time to visit San Pedro de Atacama?
- December in San Pedro de Atacama: nice, dry, with clean air — one of the best months to visit. It ranks #2 of 12 months for San Pedro de Atacama on SeasonMap's comfort score (96/100).
- What is the weather like in San Pedro de Atacama in December?
- In December, San Pedro de Atacama averages a daily high of 25.5°C and a low of 11.7°C, with about 5.7 mm of rain over roughly 1 rainy days.
- What is the air quality in San Pedro de Atacama in December?
- San Pedro de Atacama has a mean US Air Quality Index of about 45 in December.