Buenos Aires Weather in December
What's the weather like in Buenos Aires (Rivas) in December 2024?
The climate in Buenos Aires during December can be summarized as hot, humid and reasonably dry.
December is in the winter in Buenos Aires and is typically the coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 21°C (70°F) is normal.
| Daytime temperature | 29.9°C 85.8°F |
|---|---|
| Nightly temperature | 21.1°C 70°F |
| Average temperature | 25.5°C 77.9°F |
| Daily sunshine | 7.6 hrs |
| Avg rainfall | 33 mm 1.3 ins |
| Rainy days | 10 days |
| Sea temperature | 27.5°C 81.4°F |
| Humidity | 72% |
| Windspeed | 13.7kph 9 mph |
On average December is the 5th driest month of the year in Buenos Aires with around 33mm 1.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.6 hours of sunshine per day.
December temperatures in Buenos Aires
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Buenos Aires in December 2024.
Other monthly averages
Best places to visit in December
Buenos Aires weather stats
| Hottest month: | May | 31.8°C 89.2°F |
|---|---|---|
| Driest month: | March | 4mm 0.2ins |
| Sunniest month: | February | 8.4hrs |
| Coldest month: | December | 29.7°C 85.5°F |
| Wettest month: | October | 309mm 12.2ins |
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