Calchaquí Valleys Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in the Calchaquí Valleys, Argentina in December.

🔎
Cafayate Tafí del Valle Cachí Molinos

Are you planning a trip a to the Calchaquí Valleys, Argentina in December and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in the Calchaquí Valleys in December

The Calchaquí Valleys, Argentina is a region in Argentina. December in the Calchaquí Valleys generally has temperatures that range from pleasant to warm, with precipitation levels ranging from high to heavy.

Temperatures

During the day temperatures vary from pleasant in Cachí at 19°C (66°F) to warm in San Carlos at 25°C (77°F). At night it cools down to 13°C (55°F) in San Carlos and 7°C (45°F) in Cachí. On average, December is the month with the highest temperature of the year in the Calchaquí Valleys, Argentina.

To explore the conditions in the Calchaquí Valleys, Argentina in more detail, check the map below.

Precipitation

In December, precipitation varies across different areas. From high rainfall in San Carlos with an average of 102 mm (4 in) to heavy rainfall in Tafí del Valle with 358 mm (14 in).

Explore the Calchaquí Valleys by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in the Calchaquí Valleys in December

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

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 the Calchaquí Valleys

What is the weather like in December for some of the most popular destinations in the Calchaquí Valleys, Argentina?

Temperature range in the Calchaquí Valleys (December)

Precipitation variation in the Calchaquí Valleys (December)

Cafayate

In December Cafayate generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 12°C (54°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« November
December
January »
November
December
January
Max temperature
23°C (73°F)
24°C (75°F)
24°C (75°F)
Min temperature
11°C (52°F)
12°C (54°F)
13°C (55°F)
Monthly rainfall
73 mm (2.9 in)
113 mm (4.4 in)
160 mm (6.3 in)
Monthly rainy days
8 days
12 days
14 days
Weather conditions
perfect
pleasant
pleasant
Climate in Cafayate →

Tafí del Valle

In December Tafí del Valle generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 12°C (54°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« November
December
January »
November
December
January
Max temperature
20°C (68°F)
21°C (70°F)
22°C (72°F)
Min temperature
10°C (50°F)
12°C (54°F)
13°C (55°F)
Monthly sun hours
217 hours
233 hours
230 hours
Monthly rainfall
265 mm (10 in)
358 mm (14 in)
437 mm (17 in)
Monthly rainy days
8 days
12 days
14 days
Weather conditions
poor
poor
poor
Climate in Tafí del Valle →

Cachí

In December Cachí generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 7°C (45°F) and high monthly rainfall. So on average the conditions are tolerable that month.

« November
December
January »
November
December
January
Max temperature
19°C (66°F)
19°C (66°F)
18°C (64°F)
Min temperature
6°C (43°F)
7°C (45°F)
7°C (45°F)
Monthly rainfall
94 mm (3.7 in)
151 mm (5.9 in)
223 mm (8.8 in)
Monthly rainy days
8 days
14 days
15 days
Weather conditions
pleasant
tolerable
poor
Climate in Cachí →

Molinos

In December Molinos generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« November
December
January »
November
December
January
Max temperature
21°C (70°F)
21°C (70°F)
21°C (70°F)
Min temperature
7°C (45°F)
9°C (48°F)
10°C (50°F)
Monthly rainfall
120 mm (4.7 in)
160 mm (6.3 in)
218 mm (8.6 in)
Monthly rainy days
8 days
13 days
14 days
Weather conditions
pleasant
pleasant
unpleasant
Climate in Molinos →

Angastaco

In December Angastaco generally has high temperatures with maximum daytime temperatures around 23°C (73°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« November
December
January »
November
December
January
Max temperature
22°C (72°F)
23°C (73°F)
23°C (73°F)
Min temperature
9°C (48°F)
11°C (52°F)
12°C (54°F)
Monthly rainfall
120 mm (4.7 in)
154 mm (6.1 in)
211 mm (8.3 in)
Monthly rainy days
8 days
12 days
14 days
Weather conditions
pleasant
pleasant
unpleasant
Climate in Angastaco →

Is your destination not in the list? Have a look at all destinations in the Calchaquí Valleys, 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 the Calchaquí Valleys in December.

City Weather Day temp Night temp Rainfall
Cafayate 24°C (75°F) 12°C (54°F) 113 mm (4.4 in)
Tafí del Valle 21°C (70°F) 12°C (54°F) 358 mm (14 in)
Cachí 19°C (66°F) 7°C (45°F) 151 mm (5.9 in)
Molinos 21°C (70°F) 9°C (48°F) 160 mm (6.3 in)
Angastaco 23°C (73°F) 11°C (52°F) 154 mm (6.1 in)
San Carlos 25°C (77°F) 13°C (55°F) 102 mm (4 in)

The Calchaquí Valleys weather in December: frequently asked questions

What is the weather like in the Calchaquí Valleys, Argentina in December?

the Calchaquí Valleys, Argentina typically experiences pleasant weather in December, part of the season. Daytime highs in Cafayate average around 24°C (75°F), and temperatures drop to about 12°C (54°F) at night.

What is the average temperature in the Calchaquí Valleys, Argentina in December?

In Cafayate, the average daytime high in December is 24°C (75°F), while nighttime temperatures drop to around 12°C (54°F).

Does the Calchaquí Valleys, Argentina get a lot of rain in December?

Yes, December tends to be a wetter month in the Calchaquí Valleys, Argentina. Average rainfall in Cafayate sits around 113 mm (4.4 in).

Is December a Good Time to Visit the Calchaquí Valleys, Argentina?

In our view, December might not be the best time to travel to the Calchaquí Valleys, Argentina with often pleasant weather in Cafayate.

Generally speaking, the best visiting conditions can be found in March, April, May, June, July, August, September, October and November offering mostly perfect weather in Cafayate.

Interested in more climate information?

We have much more information about the climate in the Calchaquí Valleys.

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.

Bucket list

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.
Be amazed by Buenos Aires

The city of beautiful museums, cute streets, green parks, lots of good food, interesting local neighborhoods and impressive historical buildings.
Explore Patagonia

A tour through Patagonia brings you to the end of the world. That’s why Patagonia is a bucket list destination for many. We recommend to visit Patagonia from November to early March.
Glacier walk on The Perito Moreno glacier

The Perito Moreno glacier and the rupture of this glacier is considered one of the most impressive natural spectacles in the world. You can wait here until a large piece of ice crumbles and plunges into the water with a lot of noise.

Must visit in Argentina →