December · Chile
Best time to visit Antofagasta in December Weather, crowds & prices
Weather in Antofagasta in December
Average temperature 19°C, 7 mm of rain, about 31 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
9.6/10
Ranked #3 of 12 months
- Avg temp
- 19°C
- Rainfall
- 7 mm
- Humidity
- 78%
- Days with 6h+ sun
- 31
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
December in Antofagasta scores 9.6/10 for sightseeing and cultural travel - one of the top 12-month picks (#3). Expect around 19°C, 7 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Antofagasta is a Pacific mining port on the Atacama edge-coastal boardwalks, foggy mornings, and desert day trips. Best window: cooler months from late autumn through early spring.
December in Antofagasta — one of the year's strongest windows (3rd)
At 19°C (67°F) this is comfortable city weather in December, with sightseeing easiest before lunch and after the afternoon peak.
At just 7 mm for the month, rain will not shape your plans; you get about 31 days with 6+ hours of sunshine and 13.5 hours of daylight.
On our climate-comfort scale this is one of the strongest months of the year for Antofagasta at 9.6/10 (3rd of 12), just behind January at 9.6/10.
Pack light clothing, a hat and real sun protection.
Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Antofagasta in December?
- In December, Antofagasta averages 19°C, 7 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 9.6/10.
- Is December a good time to visit Antofagasta?
- December earns a 9.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Antofagasta in December?
- Expect about 7 mm of rain in December. Average humidity is 78% and there are about 31 days with 6+ hours of sunshine.
Curated in Antofagasta
Tickets & experiences
Things to do in Antofagasta
Antofagasta, Chile. Live activities and tours from GetYourGuide, matched to this destination.