Buenos Aires Weather in December
In December, Buenos Aires averages a high of 29°C (84°F) and a low of 18°C (64°F), based on 54 years of historical weather data from AEROPARQUE JORGE NEWBERY.
29°C
Average high
84°F
18°C
Average low
64°F
41°C
Record high
105°F · 1995
4°C
Record low
39°F · 1980
What to Expect in Buenos Aires in December
Typical December days in Buenos Aires reach 29°C (84°F) during the afternoon and cool to around 18°C (64°F) overnight. On average, measurable rain falls on about 45% of days this month. Over the past 54 years, December temperatures in Buenos Aires have ranged from a record high of 41°C (1995) down to a record low of 4°C (1980).
For a day-by-day look or other months, see the full Buenos Aires weather history.