Buenos Aires weather
in December
“Mild and bright — an underrated time to visit.”
Roughly 8 rainy days across the month, on average.
In december, Buenos Aires settles into its warmer, more generous mood. The city keeps a different pulse than in summer or midwinter, and travellers who arrive with the right expectations are rewarded.
Days average around 28°C (82°F), cooling to 19°C after sunset. Expect meaningful rain — some 8 wet days across the month. Pack accordingly and let the weather choose your afternoons. Long days of sunshine reward early starts.
These figures are climatological averages, drawn from a decade of daily records via the Open-Meteo Archive — not a forecast. But they are honest, and they are the sort of thing a good travel guide ought to tell you before you book the flight.
What to pack for Buenos Aires in December
- •Breathable cotton or linen, and a broad-brimmed hat
- •A compact travel umbrella — one you'll actually carry
- •Reef-safe sunscreen and polarised sunglasses
- •Comfortable, broken-in walking shoes
- •A small daypack that won't look like a tourist beacon
What to pack for Buenos Aires in December
- →Quick-dry travel shirtAmazon · shop this
- →UPF sun hatAmazon · shop this
- →Compact travel umbrellaAmazon · shop this
- →Reef-safe sunscreen SPF 50Amazon · shop this
- →Polarized sunglassesAmazon · shop this
- →Universal travel adapterAmazon · shop this
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Where to stay in Buenos Aires
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Compare hotels on Booking.com→Other places with a similar climate right now
Buenos Aires in December — FAQ
Q01Is December a good time to visit Buenos Aires?
Is December a good time to visit Buenos Aires?
Yes — it is a good time to visit, with pleasant, comfortable weather. In December, Buenos Aires averages a high of 28°C (82°F) and a low of 19°C (67°F), with 81mm of rainfall across roughly 8 rainy days.
Q02What is the average temperature in Buenos Aires in December?
What is the average temperature in Buenos Aires in December?
The average high temperature in Buenos Aires during December is 28°C (82°F), with an average low of 19°C (67°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).
Q03How many rainy days does Buenos Aires have in December?
How many rainy days does Buenos Aires have in December?
Buenos Aires averages approximately 8 rainy days in December, with a total monthly rainfall of about 81mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04What should I pack for Buenos Aires in December?
What should I pack for Buenos Aires in December?
For Buenos Aires in December, pack light, breathable clothing (cotton or linen), a compact umbrella or waterproof jacket, sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.
Q05How crowded is Buenos Aires in December?
How crowded is Buenos Aires in December?
Tourist crowds in Buenos Aires during December are typically moderate — winter is high season for tropical destinations. Consider this when planning accommodation — prices track crowd levels closely.