Aconcagua in december: average Weather, Temperature and Climate
Weather in Aconcagua in december 2026
The weather in Aconcagua in the month of december comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
very bad weather 177.5cm
Weather at 6am
31°F
Clear/Sunny
85% of time
6%
4%
3%
Weather at 12pm
45°F
Clear/Sunny
86% of time
5%
4%
4%
Weather at 6pm
45°F
Clear/Sunny
75% of time
11%
6%
5%
Weather at 3am
32°F
81%
7%
5%
5%
Evolution of daily average temperature and precipitation in Aconcagua in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Aconcagua in december.
The climate of Aconcagua in december is very bad
In december in Aconcagua, the climate is quite dry (with 1.1in of precipitation over 2 days). The weather is better from the previous month since in november it receives an average of 1.4in of precipitation over 2 days.
The climate is rather more than very fresh in this location the month of december. Bring warm clothes! The high seasonal norm is 47°F. The seasonal minimum is 31°F. Thus, the mean temperature average on this month of december in Aconcagua is 40°F. Note that these seasonal averages are in contrast with those observed in Aconcagua in december with a maximum record of 63°F in 2021 and a minimum record of 5°F in 2014. You can expect to have about 18 days with temperatures down below 32°F, or 58% of time.
Day length in Aconcagua in december is 14:18. Sunrise is at 06:26 and sets at 20:44.
December: another location in Argentina?
If you want to go to Argentina in december, there are destinations with better weather than Aconcagua:
In december, Mar del Plata, Bahía Blanca, Puerto Madryn, Rosario, Almte. Brown and Laguna Diamante have perfect weather.
Furthermore, Buenos Aires, Cordoba, Iguazú, Mendoza, La Rioja and Reconquista have good weather.
Finally, El Calafate, Patagonia, Salta, Catamarca (San Fernando del Valle de Catamarca), Purmamarca (Seven Colors Mountain) and Rio Grande have a tolerable climate, but better than Aconcagua.
Seasonal average climate and temperature of Aconcagua in december
Check below seasonal norms These statistics are generated from the weather statements earlier years of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 40°F | ||||
| Highest temperature | 47°F | ||||
| Lowest temperature | 31°F | ||||
| Highest record temperature | 63°F (2021) | ||||
| Lowest record temperature | 5°F (2014) | ||||
| Number of days at -32°F | 18 day(s) (58%) | ||||
| Wind | |||||
| Wind speed | 18km/h | ||||
| Wind temperature | 27°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1.1in | ||||
| Number of days with rainfall | 2 day(s) (5%) | ||||
| Record daily rainfall | 1.1in (2010) | ||||
| Snowfall | 177.5cm | ||||
| Other climate data | |||||
| Humidity | 58% | ||||
| Visibility | 9.71km | ||||
| Cloud cover | 9% | ||||
| UV index | 3 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:26 | ||||
| Time of sunset | 20:44 | ||||
| Length of day | 14:18 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last december?
Here is the day by day recorded weather in Aconcagua in december 2025:
32°F to 43°F
38°F to 45°F
40°F to 54°F
45°F to 54°F
43°F to 49°F
34°F to 43°F
29°F to 34°F
31°F to 43°F
34°F to 41°F
38°F to 45°F
34°F to 40°F
34°F to 43°F
34°F to 40°F
23°F to 34°F
22°F to 36°F
34°F to 49°F
36°F to 45°F
40°F to 47°F
36°F to 43°F
34°F to 40°F
34°F to 38°F
34°F to 40°F
36°F to 49°F
40°F to 49°F
40°F to 52°F
40°F to 47°F
38°F to 49°F
40°F to 49°F
40°F to 50°F
43°F to 52°F
43°F to 54°F
Map: other cities in Argentina in december
Cities near Aconcagua:
| Parque de Agua Termal - Termas Cacheuta in december | good weather |
| Mendoza in december | good weather |
| Laguna Diamante in december | perfect weather |
| San Rafael in december | good weather |
| Parque Nacional Talampaya in december | good weather |
| Villa Mercedes in december | good weather |
| Barrancas in december | good weather |
| La Rioja in december | good weather |
| Cordoba in december | good weather |
| Catamarca (San Fernando del Valle de Catamarca) in december | tolerable weather |
| General Pico in december | perfect weather |
| Neuquén in december | perfect weather |
Click over cities on the map for information about the weather in december.
Aconcagua
perfect weather
good
tolerable
bad
very bad
Weather data for Aconcagua in december:
Weather data for Aconcagua for december are derived from an average of the weather forecast since 2009 in Aconcagua. There is a margin of error and these forecasts are to be considered as general information only. The weather in Aconcagua can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Aconcagua.