Lauca National Park

Chile Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Chile in December.

Planning a trip to Chile this December? Here's what you need to know about the weather:

What to Expect in Chile in December

The weather in Chile in December can be quite varied, with temperatures that range from very cold to warm and precipitation levels ranging from almost none to heavy. December is a summer month.

Temperatures

The average highest temperatures fluctuate between very cold in Lake Pehoé at -8°C (18°F) to warm in San Vicente de Taguatagua at 29°C (84°F). Nighttime temperatures generally drop to 13°C (55°F) in San Vicente de Taguatagua and -16°C (3°F) in Lake Pehoé.

For specific regional insights in Chile, refer to the map provided below.

Precipitation

In December, precipitation varies across different areas. From almost no rainfall in San Pedro de Atacama with an average of 0 mm (0 in) to heavy rainfall in Chaitén with 351 mm (14 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Santiago sees close to 347 hours of sunlight, making it great for sun lovers.

Explore Chile by month

Pick a month to see the average temperature, rainfall and sunshine in Chile - and find the best time to visit. (based on Santiago)

Best Places to Visit in Chile in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Chile.

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).

Popular Destinations in Chile

What is the weather like in December for some of the most popular destinations in Chile?

Temperature range in Chile (December)

Precipitation variation in Chile (December)

Santiago

In December Santiago generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 12°C (54°F) and low monthly rainfall. So on average the conditions are excellent that month.

November
December
January
Max temperature
24°C (75°F)
26°C (79°F)
28°C (82°F)
Min temperature
10°C (50°F)
12°C (54°F)
14°C (57°F)
Monthly sun hours
306 hours
347 hours
365 hours
Monthly rainfall
33 mm (1.3 in)
18 mm (0.7 in)
11 mm (0.4 in)
Monthly rainy days
3 days
3 days
4 days
Weather conditions

Viña del Mar

In December Viña del Mar generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 13°C (55°F) and almost no monthly rainfall. So on average the conditions are excellent that month.

November
December
January
Max temperature
19°C (66°F)
20°C (68°F)
21°C (70°F)
Min temperature
12°C (54°F)
13°C (55°F)
15°C (59°F)
Monthly sun hours
217 hours
265 hours
280 hours
Monthly rainfall
4 mm (0.2 in)
3.8 mm (0.1 in)
1.3 mm (0.1 in)
Monthly rainy days
2 days
2 days
2 days
Weather conditions

La Serena

In December La Serena generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 14°C (57°F) and almost no monthly rainfall. So on average the conditions are excellent that month.

November
December
January
Max temperature
22°C (72°F)
23°C (73°F)
25°C (77°F)
Min temperature
13°C (55°F)
14°C (57°F)
16°C (61°F)
Monthly sun hours
198 hours
207 hours
250 hours
Monthly rainfall
1 mm (0.04 in)
0.9 mm (0.04 in)
0.6 mm (0.02 in)
Monthly rainy days
0 days
a single day
2 days
Weather conditions

Valparaíso

In December Valparaíso generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 14°C (57°F) and almost no monthly rainfall. So on average the conditions are excellent that month.

November
December
January
Max temperature
18°C (64°F)
19°C (66°F)
20°C (68°F)
Min temperature
12°C (54°F)
14°C (57°F)
15°C (59°F)
Monthly sun hours
217 hours
265 hours
280 hours
Monthly rainfall
4.3 mm (0.2 in)
4 mm (0.2 in)
1.4 mm (0.1 in)
Monthly rainy days
2 days
2 days
2 days
Weather conditions

Pucón

In December Pucón generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are good that month.

November
December
January
Max temperature
17°C (63°F)
19°C (66°F)
22°C (72°F)
Min temperature
7°C (45°F)
9°C (48°F)
11°C (52°F)
Monthly rainfall
166 mm (6.5 in)
154 mm (6.1 in)
94 mm (3.7 in)
Monthly rainy days
5 days
4 days
4 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Chile.

Popular cities in December

Day & night temperatures, rainfall and average weather in Chile in December.

City Weather Day temp Night temp Rainfall
Santiago 26°C (79°F) 12°C (54°F) 18 mm (0.7 in)
Viña del Mar 20°C (68°F) 13°C (55°F) 3.8 mm (0.1 in)
San Pedro de Atacama 25°C (77°F) 9°C (48°F) 0 mm (0 in)
Pucón 19°C (66°F) 9°C (48°F) 154 mm (6.1 in)
Hanga Roa 24°C (75°F) 21°C (70°F) 57 mm (2.2 in)
Valparaíso 19°C (66°F) 14°C (57°F) 4 mm (0.2 in)

Chile weather in December: frequently asked questions

What is the weather like in Chile in December?

Expect excellent weather across Chile in December. The popular destination of Santiago averages 26°C (79°F) by day and 12°C (54°F) at night during this summer month.

What is the average temperature in Chile in December?

Santiago averages a daytime maximum of 26°C (79°F) in December, with overnight lows close to 12°C (54°F).

Does Chile get a lot of rain in December?

Not particularly. Santiago averages just 18 mm (0.7 in) of rain in December, making it a mostly dry month for Chile.

Is December a Good Time to Visit Chile?

We believe that December is one of the best times to visit Chile with overall excellent weather in Santiago. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Chile is in January, February, March, April, October, November and December with generally excellent weather in Santiago. On the other hand, the weather in June tends to be mixed.

Interested in more climate information?

We have much more information about the climate in Chile.

Weather and climate has detailed information for every country in the world. Are you going to Chile? Get detailed historical weather averages for many cities in Chile.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.