Month guide · Buenos Aires · Argentina
Buenos Aires in December
What December is really like in Buenos Aires: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Photo: ProtoplasmaKid, CC BY-SA 4.0
Quick answer
December is a shoulder-season month. Expect average highs of 28°C (82°F), lows of 18°C (64°F), about 8 rainy days and roughly 14.5 hours of daylight. Hot early summer with long evenings outdoors; the polo season ends and the city slows down after Christmas.
Key facts
- Average high / low
- 28°C (82°F) / 18°C (64°F)
- Rainy days
- About 8
- Daylight
- About 14.5 hours
- Crowds
- Moderate
- Hotel prices
- High
Weather in December
December is the 3rd-warmest month in Buenos Aires: days average 28°C (82°F) against a yearly average high of 22°C (72°F), and nights fall to about 18°C (64°F). Rain falls on roughly 8 of its 31 days. Compared with November (25°C (77°F)), December is warmer; by January highs climb to around 30°C (86°F).
- Sunrise (15 December)
- About 05:35
- Sunset (15 December)
- About 20:03
- Daylight
- About 14.5 hours
Autumn (March–May). Mild, settled weather, autumn colour in the parks and the busiest cultural season, with film and book festivals.
Crowds and prices
On a 1–5 scale, December rates 3 for crowds (the peak is February at 3) and 4 for hotel prices (highest in November). Book accommodation early: December is one of the pricier months.
Events in December
- Argentine Open polo final (usually early December)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in December
Mild, settled days suit walking, viewpoints and time outdoors.
Museum · Palermo
Museo Evita
Housed in a 1920s Palermo mansion that Eva Perón's foundation turned into a shelter for women and children, the museum tells her life story through her clothes, photographs and film footage.
- Time needed
- 1–1.5 hours
- Cost
- Low cost
- History
- Rainy day
Museum · Palermo
Galileo Galilei Planetarium
Check the show schedule online; many sessions are in Spanish, but the dome visuals work in any language.
- Time needed
- 1 hour
- Cost
- Low cost
- Kids
- Rainy day
- Architecture
Park · Palermo
Bosques de Palermo
Parque Tres de Febrero is the city's great green space: lakes with pedal boats, running and cycling paths, the Rosedal rose garden with thousands of rose bushes and, nearby, the paid Japanese Garden.
- Time needed
- 2–3 hours
- Cost
- Free
- Free
- Kids
- Outdoors
- Couples
- Nature
Nature · Puerto Madero
Costanera Sur Ecological Reserve
Bring water and sun protection, as shade is limited, and go early in the day for the most birdlife.
- Time needed
- 2 hours
- Cost
- Free
- Free
- Nature
- Outdoors
- Active
- Kids
What to pack
For highs near 28°C, lows near 18°C and 8 wet days: light, breathable clothes, a sun hat and high-factor sunscreen; a packable rain jacket for showers; comfortable walking shoes.
Is December a good time to visit Buenos Aires?
A shoulder-season month, with a notable event on the calendar. If your dates are flexible, March–May and October–November are better overall. Compare every month.
Buenos Aires in other months
Questions travellers ask
+Is December a good time to visit Buenos Aires?
It is a shoulder-season month. Hot early summer with long evenings outdoors; the polo season ends and the city slows down after Christmas.
+How warm is Buenos Aires in December?
Average highs are around 28°C (82°F) and lows around 18°C (64°F).
+Does it rain a lot in Buenos Aires in December?
Expect rain on about 8 days of the month.