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Copiapó Weather in December
December in Copiapó brings high temperatures, with daytime highs of 27°C (81°F) and nights around 15°C (59°F). Only 0.5 mm (0.02 in) of rainfall is typical, making it a largely dry month.
Rainfall in Copiapó in December
Looking at the last 30 years, the data shows about 2 days with rain, averaging 0.5 mm (0.02 in) for the month. When rain does fall, showers tend to be light and brief. Most days will be dry.
Temperature in Copiapó in December
December is a good time to be in Copiapó. Days are excellent, reaching 27°C (81°F), with nights around 15°C (59°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 15°C (59°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Copiapó in December
Expect a lot of sunshine this month, with about 292 hours of sun. These sunny conditions add to the overall experience.Our weather planner can help you explore other travel destinations worldwide.
Copiapó Temperature in December
Min Temperature
15°C (59°F)
Max Temperature
27°C (81°F)
Chance of Rain
7%
Precipitation
0.5 mm (0.02 in)
Rainy days
2 days
Humidity
59%
Sunshine
292 hours
Percentage Sunshine
Copiapó Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Copiapó - and find the best time to visit.
Daily Historical Temperatures
48-year average (1978-2025)
Based on our historical records, temperatures in Copiapó typically stay consistent throughout December, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows around 15°C (59°F).
Average temperatures in December
Historical weather records for Copiapó in December
Browse day-by-day weather records for Copiapó spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Copiapó historical weather extremes in December
According to our 34 years of weather records for Copiapó, the following extremes were recorded between 1991 and 2025.
- Copiapó recorded its highest December temperature of 31°C (88°F) on December 25, 1998.
- The lowest daytime temperature in December was 14°C (57°F), recorded on December 18, 1991.
- The lowest overnight temperature recorded in December was 11°C (52°F) (December 18, 2007).
Best Places in Chile in December
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
pleasant
tolerable
unpleasant
poor
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).
What to Wear in Copiapó in December
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Copiapó in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
Copiapó 3-Day Forecast
More climate data for Copiapó
Temperature Rainfall Sunshine Humidity
See the full Copiapó climate overview or explore weather in Chile.
Popular in December
Where to go in December - average daytime high across popular destinations.
Santiago
26°C (79°F) San Pedro de Atacama
25°C (77°F) La Serena
23°C (73°F) Hanga Roa24°C (75°F) Viña del Mar20°C (68°F) Pucón
19°C (66°F) Valparaíso19°C (66°F) Bucket list
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