Villa La Angostura

Bariloche and the Lake District Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Bariloche and the Lake District, Argentina in December.

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Buenos Aires San Carlos de Bariloche San Martín de los Andes Villa La Angostura

Planning a getaway to Bariloche and the Lake District, Argentina this December and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Bariloche and the Lake District in December

Bariloche and the Lake District, Argentina is a region in Argentina. In December, Bariloche and the Lake District experiences a range of weather conditions, with temperatures that range from mild to warm and precipitation levels ranging from moderate to high. December is a summer month.

Temperatures

The average maximum daytime temperatures vary from mild in Villa La Angostura at 16°C (61°F) to warm in Buenos Aires at 29°C (84°F). Nighttime temperatures generally drop to 17°C (63°F) in Buenos Aires and 5°C (41°F) in Villa La Angostura.

For a closer look at conditions across Bariloche and the Lake District, Argentina, refer to the map below.

Precipitation

In December, precipitation varies across different areas. From moderate rainfall in Junín de los Andes with an average of 39 mm (1.5 in) to high rainfall in Villa La Angostura with 109 mm (4.3 in).

Average sunshine

December brings good sunshine to many areas. Buenos Aires sees around 273 hours of sunlight, great for visitors looking for bright days.

Explore Bariloche and the Lake District by month

Pick a month to see the average temperature, rainfall and sunshine in Bariloche and the Lake District — and find the best time to visit. (based on Buenos Aires)

January30°C (86°F) February29°C (84°F) March27°C (81°F) April24°C (75°F) May20°C (68°F) June17°C (63°F) This monthJuly16°C (61°F) August18°C (64°F) September20°C (68°F) October23°C (73°F) November26°C (79°F) December29°C (84°F)
Best Time to Visit Bariloche and the Lake District →

Best Places to Visit in Bariloche and the Lake District in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Bariloche and the Lake District.

Conditions Temperatures Precipitation
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 Bariloche and the Lake District

What is the weather like in December for some of the most popular destinations in Bariloche and the Lake District, Argentina?

Temperature range in Bariloche and the Lake District (December)

Precipitation variation in Bariloche and the Lake District (December)

Buenos Aires

In December Buenos Aires generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 17°C (63°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« November
December
January »
November
December
January
Max temperature
26°C (79°F)
29°C (84°F)
30°C (86°F)
Min temperature
14°C (57°F)
17°C (63°F)
18°C (64°F)
Monthly sun hours
264 hours
273 hours
285 hours
Monthly rainfall
96 mm (3.8 in)
88 mm (3.5 in)
90 mm (3.5 in)
Monthly rainy days
9 days
8 days
8 days
Weather conditions
perfect
perfect
pleasant
Climate in Buenos Aires →

San Carlos de Bariloche

In December San Carlos de Bariloche generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 5°C (41°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« November
December
January »
November
December
January
Max temperature
15°C (59°F)
18°C (64°F)
21°C (70°F)
Min temperature
2°C (36°F)
5°C (41°F)
6°C (43°F)
Monthly sun hours
292 hours
298 hours
335 hours
Monthly rainfall
63 mm (2.5 in)
57 mm (2.2 in)
37 mm (1.5 in)
Monthly rainy days
6 days
5 days
5 days
Weather conditions
tolerable
pleasant
perfect
Climate in San Carlos de Bariloche →

San Martín de los Andes

In December San Martín de los Andes generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 4°C (39°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« November
December
January »
November
December
January
Max temperature
15°C (59°F)
18°C (64°F)
21°C (70°F)
Min temperature
2°C (36°F)
4°C (39°F)
6°C (43°F)
Monthly rainfall
77 mm (3 in)
70 mm (2.8 in)
41 mm (1.6 in)
Monthly rainy days
6 days
5 days
5 days
Weather conditions
tolerable
pleasant
perfect
Climate in San Martín de los Andes →

Villa La Angostura

In December Villa La Angostura generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 5°C (41°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

« November
December
January »
November
December
January
Max temperature
13°C (55°F)
16°C (61°F)
18°C (64°F)
Min temperature
3°C (37°F)
5°C (41°F)
7°C (45°F)
Monthly sun hours
292 hours
298 hours
335 hours
Monthly rainfall
118 mm (4.6 in)
109 mm (4.3 in)
70 mm (2.8 in)
Monthly rainy days
6 days
5 days
5 days
Weather conditions
poor
unpleasant
pleasant
Climate in Villa La Angostura →

El Bolsón

In December El Bolsón generally has moderate temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 5°C (41°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« November
December
January »
November
December
January
Max temperature
15°C (59°F)
18°C (64°F)
20°C (68°F)
Min temperature
3°C (37°F)
5°C (41°F)
7°C (45°F)
Monthly rainfall
102 mm (4 in)
94 mm (3.7 in)
64 mm (2.5 in)
Monthly rainy days
5 days
5 days
4 days
Weather conditions
unpleasant
pleasant
perfect
Climate in El Bolsón →

Is your destination not in the list? Have a look at all destinations in Bariloche and the Lake District, in Argentina.

In our records: Argentina December extremes

Notable December records observed across cities in Argentina in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest December day in Argentina reached 48°C (118°F) in Santiago del Estero on December 19, 1995.

Popular cities in December

Day & night temperatures, rainfall and average weather in Bariloche and the Lake District in December.

City Weather Day temp Night temp Rainfall
Buenos Aires 29°C (84°F) 17°C (63°F) 88 mm (3.5 in)
San Carlos de Bariloche 18°C (64°F) 5°C (41°F) 57 mm (2.2 in)
San Martín de los Andes 18°C (64°F) 4°C (39°F) 70 mm (2.8 in)
Villa La Angostura 16°C (61°F) 5°C (41°F) 109 mm (4.3 in)
El Bolsón 18°C (64°F) 5°C (41°F) 94 mm (3.7 in)
Junín de los Andes 22°C (72°F) 6°C (43°F) 39 mm (1.5 in)

Bariloche and the Lake District weather in December: frequently asked questions

What is the weather like in Bariloche and the Lake District, Argentina in December?

Expect perfect weather across Bariloche and the Lake District, Argentina in December. The popular destination of Buenos Aires averages 29°C (84°F) by day and 17°C (63°F) at night during this summer month.

What is the average temperature in Bariloche and the Lake District, Argentina in December?

In Buenos Aires, the average daytime high in December is 29°C (84°F), while nighttime temperatures drop to around 17°C (63°F).

Does Bariloche and the Lake District, Argentina get a lot of rain in December?

Not particularly. Buenos Aires averages just 88 mm (3.5 in) of rain in December, making it a mostly dry month for Bariloche and the Lake District, Argentina.

Is December a Good Time to Visit Bariloche and the Lake District, Argentina?

We believe that December is one of the best times to visit Bariloche and the Lake District, Argentina with overall perfect weather in Buenos Aires. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Bariloche and the Lake District, Argentina is in March, April, May, September, November and December with generally perfect weather in Buenos Aires. On the other hand, the months of January, June and July tend to have tolerable weather conditions.

Interested in more climate information?

We have much more information about the climate in Bariloche and the Lake District.

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

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.

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