Mendoza Province

Mendoza Province Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Mendoza Province, Argentina in December.

Planning a trip to Mendoza Province, Argentina this December? Here's what you need to know about the weather:

What to Expect in Mendoza Province in December

Mendoza Province, Argentina is a region in Argentina. Mendoza Province, Argentina has a wide variety of climate types. During December, you can expect temperatures that range from cold to very warm and precipitation levels ranging from moderate to heavy. The month of December is in the summer season.

Temperatures

The average highest temperatures fluctuate between cold in Los Penitentes at 9°C (48°F) to very warm in San Martín at 33°C (91°F). Nighttime temperatures generally drop to 18°C (64°F) in San Martín and -5°C (23°F) in Los Penitentes. The temperatures mentioned for daytime and nighttime are general averages. However there can be days that surpass these temperatures. So equip yourself with clothing that can handle the potential heat.

To explore the conditions in Mendoza Province, Argentina in more detail, check the map below.

Precipitation

In December, precipitation varies across different areas. From moderate snow/rainfall in Los Penitentes with an average of 33 mm (1.3 in) to heavy snow/rainfall in Cacheuta with 178 mm (7 in).

Average sunshine

Many locations offer abundant sunshine during this month. For instance, Mendoza enjoys approximately 302 hours of sunlight, ideal for those seeking sunny weather.

Explore Mendoza Province by month

Pick a month to see the average temperature, rainfall and sunshine in Mendoza Province — and find the best time to visit. (based on San Rafael)

Best Places to Visit in Mendoza Province in December

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

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 Mendoza Province

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

Temperature range in Mendoza Province (December)

Precipitation variation in Mendoza Province (December)

Mendoza

In December Mendoza generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 16°C (61°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

November
December
January
Max temperature
27°C (81°F)
30°C (86°F)
31°C (88°F)
Min temperature
13°C (55°F)
16°C (61°F)
18°C (64°F)
Monthly sun hours
307 hours
302 hours
311 hours
Monthly rainfall
67 mm (2.6 in)
70 mm (2.8 in)
75 mm (3 in)
Monthly rainy days
4 days
5 days
6 days
Weather conditions

San Rafael

In December San Rafael generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

November
December
January
Max temperature
28°C (82°F)
30°C (86°F)
32°C (90°F)
Min temperature
12°C (54°F)
15°C (59°F)
17°C (63°F)
Monthly sun hours
291 hours
316 hours
323 hours
Monthly rainfall
54 mm (2.1 in)
56 mm (2.2 in)
54 mm (2.1 in)
Monthly rainy days
6 days
7 days
7 days
Weather conditions

Chacras de Coria

In December Chacras de Coria generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 15°C (59°F) and high monthly rainfall. So on average the conditions are pleasant that month.

November
December
January
Max temperature
26°C (79°F)
28°C (82°F)
29°C (84°F)
Min temperature
12°C (54°F)
15°C (59°F)
17°C (63°F)
Monthly sun hours
307 hours
302 hours
311 hours
Monthly rainfall
91 mm (3.6 in)
110 mm (4.3 in)
117 mm (4.6 in)
Monthly rainy days
5 days
5 days
6 days
Weather conditions

Potrerillos

In December Potrerillos generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 6°C (43°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

November
December
January
Max temperature
17°C (63°F)
19°C (66°F)
20°C (68°F)
Min temperature
3°C (37°F)
6°C (43°F)
8°C (46°F)
Monthly sun hours
307 hours
302 hours
311 hours
Monthly rainfall
122 mm (4.8 in)
170 mm (6.7 in)
214 mm (8.4 in)
Monthly rainy days
5 days
7 days
8 days
Weather conditions

Maipú

In December Maipú generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 17°C (63°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

November
December
January
Max temperature
28°C (82°F)
31°C (88°F)
31°C (88°F)
Min temperature
14°C (57°F)
17°C (63°F)
19°C (66°F)
Monthly sun hours
307 hours
302 hours
311 hours
Monthly rainfall
62 mm (2.4 in)
69 mm (2.7 in)
72 mm (2.8 in)
Monthly rainy days
4 days
5 days
6 days
Weather conditions

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

City Weather Day temp Night temp Rainfall
San Rafael 30°C (86°F) 15°C (59°F) 56 mm (2.2 in)
Mendoza 30°C (86°F) 16°C (61°F) 70 mm (2.8 in)
Chacras de Coria 28°C (82°F) 15°C (59°F) 110 mm (4.3 in)
Potrerillos 19°C (66°F) 6°C (43°F) 170 mm (6.7 in)
Maipú 31°C (88°F) 17°C (63°F) 69 mm (2.7 in)
Valle Grande 29°C (84°F) 14°C (57°F) 56 mm (2.2 in)

Mendoza Province weather in December: frequently asked questions

What is the weather like in Mendoza Province, Argentina in December?

Mendoza Province, Argentina typically experiences tolerable weather in December, part of the summer season. Daytime highs in Mendoza average around 30°C (86°F), and temperatures drop to about 16°C (61°F) at night.

What is the average temperature in Mendoza Province, Argentina in December?

Daytime temperatures in Mendoza peak at roughly 30°C (86°F) in December, dropping to about 16°C (61°F) overnight.

Does Mendoza Province, Argentina get a lot of rain in December?

Not particularly. Mendoza averages just 70 mm (2.8 in) of rain in December, making it a mostly dry month for Mendoza Province, Argentina.

Is December a Good Time to Visit Mendoza Province, Argentina?

Given the typically pleasant weather conditions in Mendoza, December may not be the ideal time to visit Mendoza Province, Argentina.

Generally speaking, February, March, April, September, October and November provide perfect weather in Mendoza. On the other hand, the months of January, May and December tend to have tolerable weather conditions.

Interested in more climate information?

We have much more information about the climate in Mendoza Province.

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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