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Select units of measurement for the temperature and rainfall tables (metric or imperial).

Argentina - weather in December



Map with cities - Argentina




In Argentina, December is the first month of summer. In the far north the heat is intense, in fact the average daily temperature is about 28 °C (82.5 °F).
In Buenos Aires and Rosario, in the center-north, it is hot as well, with a daily average of 24 °C (75 °F). In the center-south, in Patagonia, the climate becomes progressively cooler, so much so that the average drops to 19 °C (66 °F) in Puerto Madryn and Comodoro Rivadavia. In the extreme south, in Tierra del Fuego, it is cool even in this month, in fact, the average temperature in Ushuaia is around 9/10 °C (48/50 °F).
In this month there can be heat waves, during which the temperature can exceed 40 °C (104 °F) in the north, and 35 °C (95 °F) in the center-south.
On the other hand, the southerly winds can bring rapid decreases in temperature, so much so that at night it can get cold in the center-south, while a bit of cool air can also arrive in the north.
The rains are abundant in the north, where they occur in the form of downpours or thunderstorms. In Buenos Aires, thunderstorms are quite frequent as well, although they don't reduce the hours of sunshine that much. In Patagonia, which has an arid and windy climate, the rains are quite rare, while in the extreme south, in Tierra del Fuego, where the weather disturbances from the Pacific pass even in summer, the rains are quite frequent.
In the northernmost part of the Andes, the landscape at high altitudes is desert, however, the summer is the only season when rain can sometimes occur. Although it is the warmest time of the year, it gets cold at night, and above 3,000 meters (9,800 ft) the temperature at night can drop below freezing.
In the southern part of the Andes, which is much greener, the summer is a relatively dry season, especially on the Argentine side. However, at the same altitude the temperature is much lower, so much so that glaciers are found at fairly low altitudes.
In the Southern Hemisphere, December is the month with the longest days, and December 21 is the summer solstice. In the extreme south, the days last more than 16 hours.


Monthly climate averages - December

(from north to south)

La Quiaca
(3,460 m.)
La Quiaca, position on the map
La Quiaca, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay length
MinMaxmmDays
72265953%8.9h13.5h

Las Lomitas
Las Lomitas, position on the map
Las Lomitas, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay length
MinMaxmmDays
2135130764%7.4h13.6h

Salta
(1,150 m.)
Salta, position on the map
Salta, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay length
MinMaxmmDays
16281401070%7h13.7h

Puerto Iguazu
Puerto Iguazu, position on the map
Puerto Iguazu, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay length
MinMaxmmDays
20312201076%6.1h13.7h

Formosa
Formosa, position on the map
Formosa, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay length
MinMaxmmDays
2133180869%8.7h13.8h

Tucuman
(440 m.)
Tucuman, position on the map
Tucuman, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay length
MinMaxmmDays
20311601068%7.4h13.8h

Córdoba
(400 m.)
Córdoba, position on the map
Córdoba, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay length
MinMaxmmDays
1730145961%8.8h14.2h

Mendoza
(750 m.)
Mendoza, position on the map
Mendoza, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay length
MinMaxmmDays
183225342%10.6h14.3h

Rosario
Rosario, position on the map
Rosario, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay length
MinMaxmmDays
1730130863%9.3h14.3h

Buenos Aires
Buenos Aires, position on the map
Buenos Aires, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay lengthSea
temperature
MinMaxmmDays
1829125761%8.6h14.4h21

Mar Del Plata
Mar Del Plata, position on the map
Mar Del Plata, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay lengthSea
temperature
MinMaxmmDays
132585670%8.7h14.8h16

Bahia Blanca
Bahia Blanca, position on the map
Bahia Blanca, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay lengthSea
temperature
MinMaxmmDays
143065549%10.1h14.8h18

Neuquen
(270 m.)
Neuquen, position on the map
Neuquen, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay length
MinMaxmmDays
153010234%9.1h14.9h

Bariloche
(850 m.)
Bariloche, position on the map
Bariloche, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay length
MinMaxmmDays
62125450%10.8h15.1h

Maquinchao
(890 m.)
Maquinchao, position on the map
Maquinchao, position on the map
Temperature
(°C)
Precipitation
MinMaxmmDays
824153

El Bolson
(335 m.)
El Bolson, position on the map
El Bolson, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay length
MinMaxmmDays
72435452%9.0h15.2h

Esquel
(795 m.)
Esquel, position on the map
Esquel, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay length
MinMaxmmDays
72020345%10.1h15.3h

Trelew
Trelew, position on the map
Trelew, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay lengthSea
temperature
MinMaxmmDays
122815239%9.5h15.3h15

Comodoro Rivadavia
Comodoro Rivadavia, position on the map
Comodoro Rivadavia, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay lengthSea
temperature
MinMaxmmDays
122510238%9.1h15.7h13

Puerto Deseado
Puerto Deseado, position on the map
Puerto Deseado, position on the map
Temperature
(°C)
PrecipitationSunshineSea
temperature
MinMaxmmDays
9221566.6h12

El Calafate
(200 m.)
El Calafate, position on the map
El Calafate, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay length
MinMaxmmDays
61810239%8.8h16.4h

Rio Gallegos
Rio Gallegos, position on the map
Rio Gallegos, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay lengthSea
temperature
MinMaxmmDays
61930650%7.4h16.6h9

Rio Grande
Rio Grande, position on the map
Rio Grande, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay lengthSea
temperature
MinMaxmmDays
51540870%6.5h17.0h9

Ushuaia
Ushuaia, position on the map
Ushuaia, position on the map
Temperature
(°C)
PrecipitationHumiditySunshineDay lengthSea
temperature
MinMaxmmDays
51445969%5.0h17.2h8



See also: Argentina, the weather in November - January
The climate of Argentina

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