Buenos Aires weather in December
“Mild and bright — an underrated time to visit.”
Roughly 8 rainy days across the month, on average.
December in Buenos Aires is summer, bringing warm and humid conditions perfect for outdoor exploration. Expect average highs of 27.6°C (82°F) and lows of 19.3°C (66°F). The city receives about 81mm of rainfall spread across roughly 8 rainy days, so afternoon thunderstorms are common but usually brief. With 12.3 hours of daily sunshine, you'll have plenty of daylight to enjoy parks, neighborhoods, and waterfront areas.
This is peak summer season in Buenos Aires, with locals heading to beach towns and the city taking on a more relaxed vibe. December brings festive energy as Christmas approaches, with decorations lighting up Avenida Santa Fe and shopping districts. Expect moderate to high crowds, especially in the final weeks before Christmas and around the New Year period.
For travelers planning a 2026 visit, December offers vibrant nightlife, open-air dining, and cultural events. Pack light, breathable clothing and always carry a compact umbrella. Book accommodations and restaurants in advance, as this is peak season. The warm weather makes it ideal for exploring La Boca, Recoleta, and taking day trips to nearby estancias or Tigre Delta.
Skip Caminito for real La Boca; go with a local to a bombonera match instead. Palermo Soho and Hollywood are hipster central, but Chacarita and Villa Crespo are the new cool. Dinner starts at 10pm sharp; anywhere seating you at 8 is a tourist trap. The blue-dollar cueva money-changer economy is real; western union transfers get you 60 percent more than card rates. Never take the black-and-yellow taxis at Ezeiza; book Cabify.
What to pack for Buenos Aires in December
December's heat and humidity call for lightweight, breathable clothing. Bring layers for air-conditioned venues and a rain jacket for sudden storms. Comfortable walking shoes are essential for exploring Buenos Aires' vibrant neighborhoods.
- Lightweight linen shirt
- Cotton shorts or linen pants
- Light rain jacket
- Canvas sneakers or walking sandals
- Wide-brimmed sun hat
What to pack for Buenos Aires in December
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Where to stay in Buenos Aires
We don't review individual hotels — plenty of people do that well. What we do is send you to compare rooms in Buenos Aires across trusted platforms.
Compare hotels on Booking.com→Estimated December trip to Buenos Aires
Peak season prices — book early or shift by 2–3 weeks to save. Rule-based estimates from a couple based in London — actual prices vary.
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Delayed flight to Buenos Aires?
Flights to Buenos Aires in December can be delayed by storms. Claim up to €600 if yours is 3+ hours late. EU regulations cover flights departing from or arriving in the EU/UK.
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Things worth doing
Explore La Boca's colorful streets, enjoy waterfront dining in Puerto Madero, visit Recoleta Cemetery and museums, take tango classes or evening shows, relax in Parque Centenario.
December vs. the rest of the year
How this month compares in Buenos Aires. Tap any month to read more.
highlighted months are among the best time to visit.
Best time to visit Buenos Aires
December is one of the best months to visit Buenos Aires — alongside January, February, November. 11-year climate data (2015–2025) confirms it: comfortable temperatures, manageable rainfall, and a healthy dose of sunshine.
See the full best-time-to-visit guide for Buenos AiresOther places with a similar climate right now
Buenos Aires in December — FAQ
Q01Should I visit Buenos Aires in December?
Should I visit Buenos Aires in December?
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. Mid-October Southern Hemisphere spring; jacarandas bloom across Palermo, Puerto Madero terraces reopen, and Colon opera season peaks.
Q02What temperatures should I expect in Buenos Aires during December?
What temperatures should I expect in Buenos Aires during 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 11 complete years of daily records (2015–2025, Open-Meteo Archive). July damp cold hits harder than the temperature suggests; parillas fire up quebracho charcoal and San Telmo tango milongas run late into the morning.
Q03Is December a rainy month in Buenos Aires?
Is December a rainy month in Buenos Aires?
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. Summer sudestada storms flood La Boca and Barracas quickly; the Riachuelo overflows and colectivo buses reroute; taxis refuse Puerto Madero addresses.
Q04How should I dress for Buenos Aires in December?
How should I dress 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 11 complete years of weather averages for this specific month. A cash belt for USD 100 bills; smaller denominations get punished at cuevas, and ATMs cap withdrawals at painful losses.
Q05Is December a busy travel month for Buenos Aires?
Is December a busy travel month for Buenos Aires?
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. Skip Caminito for real La Boca; go with a local to a bombonera match instead. Palermo Soho and Hollywood are hipster central, but Chacarita and Villa Crespo are the new cool. Dinner starts at 10pm sharp; anywhere seating you at 8 is a tourist trap. The blue-dollar cueva money-changer economy is real; western union transfers get you 60 percent more than card rates. Never take the black-and-yellow taxis at Ezeiza; book Cabify.