Antofagasta weather in December
December in Antofagasta: nice, dry, with clean air — an excellent time to visit.
#6 of 12 months in Antofagasta · #7 of 897 destinations to visit in December · comfort 94/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Antofagasta in December
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Antofagasta climate normals — December
| Daytime high | 23°C / 73°F | 😎 nice |
|---|---|---|
| Nighttime low | 17°C / 62°F | |
| Rainfall | 2 mm / 0.1 in | ☀️ dry |
| Rainy days | 0 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 16°C / 60°F | |
| Sunshine | 12.5 h/day | |
| Daylight | 13.6 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 47 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Antofagasta in December — FAQ
- Is December a good time to visit Antofagasta?
- December in Antofagasta: nice, dry, with clean air — an excellent time to visit. It ranks #6 of 12 months for Antofagasta on SeasonMap's comfort score (94/100).
- What is the weather like in Antofagasta in December?
- In December, Antofagasta averages a daily high of 23°C and a low of 16.5°C, with about 1.8 mm of rain over roughly 0.4 rainy days.
- What is the air quality in Antofagasta in December?
- Antofagasta has a mean US Air Quality Index of about 47 in December.