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San Pedro de Atacama Weather in December
Thinking of visiting San Pedro de Atacama in December? Expect high temperatures reaching 25°C (77°F) during the day, dropping to 9°C (48°F) at night, with the driest conditions of the year.
Rainfall in San Pedro de Atacama in December
This month sees the least rain of the year, making it well suited for outdoor adventures. This month experiences about 10 days of rain according to historical data, averaging 0 mm (0 in).
Temperature in San Pedro de Atacama in December
December in San Pedro de Atacama is generally excellent, with days reaching 25°C (77°F) and nights settling around 9°C (48°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. On average, it sees the highest temps of the year.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, August, September, October, November and December typically offer the best weather for San Pedro de Atacama.
San Pedro de Atacama Temperature in December
Min Temperature
9°C (48°F)
Max Temperature
25°C (77°F)
Chance of Rain
34%
Precipitation
0 mm (0 in)
Rainy days
10 days
Humidity
22%
San Pedro de Atacama Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San Pedro de Atacama - and find the best time to visit.
Historical weather records for San Pedro de Atacama in December
Browse day-by-day weather records for San Pedro de Atacama spanning 21 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Pedro de Atacama historical weather extremes in December
Based on 19 years of weather observations (2006-2025), these are the most extreme conditions recorded in San Pedro de Atacama.
- On December 25, 2023, temperatures climbed to 32°C (90°F), marking the warmest December day on record.
- The lowest daytime temperature in December was 17°C (63°F), recorded on December 25, 2021.
- San Pedro de Atacama registered its coldest December night on December 11, 2016, with temperatures dropping to 6°C (43°F).
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 San Pedro de Atacama in December
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.
What To Do in San Pedro de Atacama in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Camping5/10 -
Outdoor sports10/10
San Pedro de Atacama 3-Day Forecast
More climate data for San Pedro de Atacama
See the full San Pedro de Atacama 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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