Weather in Buenos Aires in December 2024
Average weather
Average temperature in Buenos Aires in December
The temperature in December is +26°C on average, with a range between a maximum of +31°C during the day and a minimum of +13°C at night.
The average maximum temperature goes up 6% by the end of the month, compared with the beginning of the month, from +25°C to +26°C.
Is Buenos Aires warm or cold in December?
Buenos Aires is typically warm in December.
Maximum temperatures go up compared to the previous month from +24°C to +27°C. The minimum temperature also goes up from +16°C to +19°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
December is one of the warmest months in Buenos Aires, here is the comparison with other months:
Water temperature in Buenos Aires in December
Water in Buenos Aires in December is Comfortable. It varies from +20°C to +23°C, with an average of +22°C. The air temperature averaging +27°C is higher than the water temperature.
In December, water temperatures are average relative to the rest of the year:
Can you swim in Buenos Aires in December?
Travel to Buenos Aires
Climate in Buenos Aires in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +24°C | +27°C | +28°C | ||||
| Min. temperature | ||||||
| +6°C | +9°C | +11°C | ||||
| Max. temperature | ||||||
| +35°C | +39°C | +41°C | ||||
| Rainfall | ||||||
| 97 mm | 86 mm | 87 mm | ||||
| Wind | ||||||
| 4 m/s | 3 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +20°C | +22°C | +24°C | ||||
| Humidity | ||||||
| 68% | 66% | 66% | ||||
| Air pressure | ||||||
| 1012 HPa | 1010 HPa | 1010 HPa | ||||
| Sunny days | ||||||
| 11 | 12 | 12 | ||||
| Cloudy days | ||||||
| 6 | 5 | 6 | ||||
| Rainy days | ||||||
| 9 | 8 | 8 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
December weather is still as good as in November. It’s getting warmer as December arrives. The average maximum temperature goes up from +24°C to +27°C during the day. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 97 mm to 86 mm. It feels drier, as humidity decreases from 68% to 66%. Winds are calmer in comparison to November, going down from 4 m/s to 3 m/s on average. The good news is there are likely to be more sunny days in December, from 11 to 12.
January brings much the same weather, it remains good.
Wind
The average wind speed is 4 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Buenos Aires is gradually increasing during December, going from 4 m/s to 4 m/s over the course of the month.
Rain
How was the weather last December in Buenos Aires?
Climate Change over Years
The climate in Buenos Aires in December has not changed much over the last 43 years.
The average temperature was the lowest in 1983 (+20°C) and the highest in 2017 (+22°C). The driest year was 2008 with only 468 mm of rainfall, and the wettest year was 2014 with 1388 mm.
FAQ
Is December a good time to visit Buenos Aires?
Can you sunbathe in Buenos Aires in December?
Can you swim in Buenos Aires in December?
Is Buenos Aires rainy in December?
Is it sunny in Buenos Aires in December?
How much does it cost to fly to Buenos Aires in December?
Monthly weather in Buenos Aires
Source of the data
For this page, we’ve looked at the typical weather in Buenos Aires, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.