Buenos Aires
December
Weather in Buenos Aires for December 2025
Your guide to Buenos Aires weather in December - trends and predictions
In general, the average temperature in Buenos Aires at the beginning of December is 22.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 27.1 °C by the end of December.
The climate of Buenos Aires in December is notably wet, with an average of 13 rainy days, and a total of 98.4 mm of precipitation.
Temperatures
Rain 🌧️
18
Dry days
13
Rainy days
0
Snow days
25°/18°
Temperatures
25 km/h
Avg max wind
66 %
Avg humidity
Buenos Aires in December average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2  24° | 3  20° | 4  23° | 5 24° | 6 23° | 7 22° |
| 8 21° | 9 23° | 10  26° | 11  27° | 12  28° | 13 26° | 14 27° |
| 15 26° | 16 26° | 17 26° | 18 25° | 19 25° | 20  25° | 21 23° |
| 22 28° | 23  28° | 24 27° | 25 25° | 26 24° | 27 28° | 28 29° |
| 29 27° | 30 29° | 31 28° |
You can click on date
Access Buenos Aires weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during December in Buenos Aires
See the weather trend as well as the moving average line
December weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Torrential rain shower | 22° /18° | 20.9 mm | 7 | |
| 2 Dec. | Mist | 24° /15° | 0 mm | 7 | |
| 3 Dec. | Patchy rain possible | 20° /12° | 0 mm | 7 | |
| 4 Dec. | Partly cloudy | 23° /16° | 0 mm | 8 | |
| 5 Dec. | Light rain shower | 24° /17° | 3.7 mm | 8 | |
| 6 Dec. | Light rain shower | 23° /17° | 6.1 mm | 7 | |
| 7 Dec. | Light rain shower | 22° /14° | 1.2 mm | 7 | |
| 8 Dec. | Partly cloudy | 21° /16° | 0 mm | 8 | |
| 9 Dec. | Partly cloudy | 23° /16° | 0.1 mm | 7 | |
| 10 Dec. | Sunny | 26° /18° | 0 mm | 9 | |
| 11 Dec. | Overcast | 27° /19° | 0 mm | 8 | |
| 12 Dec. | Cloudy | 28° /20° | 0 mm | 8 | |
| 13 Dec. | Patchy rain possible | 26° /21° | 4.4 mm | 7 | |
| 14 Dec. | Patchy rain possible | 27° /19° | 1.7 mm | 8 | |
| 15 Dec. | Light rain shower | 26° /18° | 1.6 mm | 8 | |
| 16 Dec. | Light rain shower | 26° /19° | 0.8 mm | 8 | |
| 17 Dec. | Light rain shower | 26° /19° | 12.5 mm | 8 | |
| 18 Dec. | Light rain shower | 25° /19° | 4.7 mm | 8 | |
| 19 Dec. | Cloudy | 25° /18° | 0 mm | 7 | |
| 20 Dec. | Light drizzle | 25° /19° | 1 mm | 7 | |
| 21 Dec. | Patchy rain possible | 23° /17° | 0.6 mm | 7 | |
| 22 Dec. | Sunny | 28° /19° | 0 mm | 8 | |
| 23 Dec. | Moderate or heavy rain shower | 28° /20° | 4 mm | 8 | |
| 24 Dec. | Moderate rain at times | 27° /19° | 4.7 mm | 7 | |
| 25 Dec. | Sunny | 25° /15° | 6.9 mm | 7 | |
| 26 Dec. | Sunny | 24° /14° | 0 mm | 7 | |
| 27 Dec. | Sunny | 28° /18° | 0 mm | 8 | |
| 28 Dec. | Sunny | 29° /19° | 0.1 mm | 8 | |
| 29 Dec. | Sunny | 27° /18° | 0 mm | 8 | |
| 30 Dec. | Sunny | 29° /18° | 0 mm | 8 | |
| 31 Dec. | Partly cloudy | 28° /20° | 0 mm | 8 | |
| Next | |||||
Important Notice
Our weather forecast for Buenos Aires in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Buenos Aires forecast closer to your planned date for the most up-to-date weather information.
Buenos Aires in December - FAQ
What are the expected maximum and minimum temperatures in Buenos Aires during December?
During December, expect a variety of temperatures with highs around 25° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Buenos Aires during December?
Moderate rainfall is anticipated in Buenos Aires during December, with a total of 98.4 mm spread over approximately 13 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Buenos Aires during December?
The average wind speed in Buenos Aires during December is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Buenos Aires
Explore the daily rainfall trends and prepare for Buenos Airess December weather 💧
UV exposure in Buenos Aires during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
Quick links
You are here
Where is Buenos Aires?Get accurate weather forecasts for Buenos Aires, located at latitude -34.613 and longitude -58.377. Stay updated with localized weather information tailored for Buenos Aires.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.