The climate in Buenos Aires during December can be summarized as warm and a little damp.
December is in the summer in Buenos Aires and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (82°F), whilst at night 18°C (64°F) is normal.
|Daytime temperature||27.7°C 81.8°F|
|Nightly temperature||18°C 64.3°F|
|Average temperature||22.8°C 73°F|
|Daily sunshine||8.8 hrs|
|Avg rainfall||92 mm 3.6 ins|
|Rainy days||9 days|
|Sea temperature||20.7°C 69.2°F|
|Windspeed||14.4kph 9 mph|
On average December is the 6th driest month of the year in Buenos Aires with around 92mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.8 hours of sunshine per day.
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 2022.
|Hottest month:||January||29.1°C 84.4°F|
|Driest month:||July||62mm 2.4ins|
|Coldest month:||July||14.8°C 58.6°F|
|Wettest month:||March||121mm 4.8ins|