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Thinking of visiting Antofagasta in December? Expect high temperatures reaching 24°C (75°F) during the day, dropping to 16°C (61°F) at night, with minimal rainfall.
If you're interested in exploring other destinations, our weather planner can help you discover additional travel options worldwide.
Pick a month to see the average temperature, rainfall and sunshine in Antofagasta - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Antofagasta typically stay consistent throughout December, with daily highs averaging around 24°C (75°F). Nights are pleasant, with lows around 17°C (63°F).
Browse day-by-day weather records for Antofagasta spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Antofagasta.
Find out more about the weather in Chile and which places have the best travel conditions in this month. See all of Chile in December →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Comfortable temperatures call for an easy wardrobe in December. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Dry conditions mean you won't need to worry about rain protection. Expect water temperatures of around 19°C (66°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Antofagasta climate overview or explore weather in Chile.
Where to go in December - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most alternative cities in South America
Discover South America's top 10 alternative cities! From Valparaíso's vibrant streets to La Paz's high-altitude charm and Medellín's innovative spirit.
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