La Rioja in december: average Weather, Temperature and Climate
Weather in La Rioja in december 2026
The weather in La Rioja 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 using the tabs for the beginning, the middle and the end of the month.
Average weather throughout december
good weather UV index: 7
Weather at 6am
74°F
Clear/Sunny
48% of time
26%
15%
10%
Weather at 12pm
85°F
Clear/Sunny
56% of time
22%
13%
6%
Weather at 6pm
83°F
Clear/Sunny
60% of time
16%
13%
8%
Weather at 3am
76°F
49%
20%
18%
12%
Evolution of daily average temperature and precipitation in La Rioja in december
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in La Rioja in december.
The climate of La Rioja in december is good
The climate in december in La Rioja is wet (with 8.3in of rainfall over 10 days). The situation is deteriorating compared to the previous month since in november there is an average of 6in of rainfall over 8 days.
The climate is very warm around this city in december. The high seasonal norm is 88°F. On average, the recorded minimum temperature is 72°F. Thus, the mean temperature average in december in La Rioja is 79°F. Note that these seasonal averages are in contrast with those observed in La Rioja in the month of december with a maximum record of 108°F in 2021 and a minimum record of 50°F in 2018. You can plan to have about 17 days with temperatures over 86°F, or 55 of time.
Day length in La Rioja in december is 14:01. Sunrise is at 06:22 and sets at 20:23.
With a good weather, this month is a good time to go in that area in Argentina.
Seasonal average climate and temperature of La Rioja in december
Check below seasonal norms These datas are compiled from the weather statements earlier years of the month of december.
| December | |||||
| Outside temperature | |||||
| Average temperature | 79°F | ||||
| Highest temperature | 88°F | ||||
| Lowest temperature | 72°F | ||||
| Highest record temperature | 108°F (2021) | ||||
| Lowest record temperature | 50°F (2018) | ||||
| Number of days at +86°F | 17 day(s) (55%) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 15km/h | ||||
| Wind temperature | 72°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 8.3in | ||||
| Number of days with rainfall | 10 day(s) (33%) | ||||
| Record daily rainfall | 3.8in (2015) | ||||
| Other climate data | |||||
| Humidity | 65% | ||||
| Visibility | 9.44km | ||||
| Cloud cover | 20% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:22 | ||||
| Time of sunset | 20:23 | ||||
| Length of day | 14:01 | ||||
| Our opinion about the weather in december | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last december?
Here is the day by day recorded weather in La Rioja in december 2025:
74°F to 81°F
70°F to 77°F
72°F to 95°F
77°F to 97°F
79°F to 95°F
76°F to 85°F
67°F to 70°F
65°F to 77°F
70°F to 83°F
76°F to 92°F
76°F to 90°F
72°F to 85°F
76°F to 94°F
74°F to 86°F
68°F to 83°F
70°F to 86°F
72°F to 90°F
74°F to 92°F
77°F to 94°F
81°F to 90°F
76°F to 90°F
72°F to 88°F
72°F to 86°F
77°F to 88°F
72°F to 83°F
74°F to 88°F
72°F to 79°F
74°F to 88°F
74°F to 86°F
77°F to 88°F
79°F to 88°F
Map: other cities in Argentina in december
Cities near La Rioja:
| Parque Nacional Talampaya in december | good weather |
| Catamarca (San Fernando del Valle de Catamarca) in december | tolerable weather |
| El Mollar in december | tolerable weather |
| Santiago del Estero in december | good weather |
| San Miguel de Tucumán in december | tolerable weather |
| Cordoba in december | good weather |
| Mendoza in december | good weather |
| Parque de Agua Termal - Termas Cacheuta in december | good weather |
| Aconcagua in december | very bad weather |
| Villa Mercedes in december | good weather |
| Salta in december | tolerable weather |
| Laguna Diamante in december | perfect weather |
Click over cities on the map for information about the weather in december.
La Rioja
perfect weather
good
tolerable
bad
very bad
Weather data for La Rioja in december:
Weather data for La Rioja for december are derived from an average of the weather forecast since 2009 in La Rioja. There is a margin of error and these forecasts are to be considered as general information only. The weather in La Rioja 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 La Rioja.