December · Argentina
Best time to visit Buenos Aires in December Weather, crowds & prices
Weather in Buenos Aires in December
Average temperature 24°C, 67 mm of rain, about 30 days with 6+ hours of sunshine and 63% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
8.4/10
Ranked #5 of 12 months
- Avg temp
- 24°C
- Rainfall
- 67 mm
- Humidity
- 63%
- Days with 6h+ sun
- 30
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
December in Buenos Aires scores 8.4/10 for sightseeing and cultural travel - an above-average month (#5 of 12). Expect around 24°C, 67 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
Tango nights, steakhouse culture, and European-style avenues shine November through March.
December in Buenos Aires — reliably good (5th best month)
At 24°C (74°F) this is comfortable city weather in December, with sightseeing easiest before lunch and after the afternoon peak.
Budget for roughly 67 mm of rain this month — a flexible day or two helps — with about 30 days with 6+ hours of sunshine and 14.4 hours of daylight to work around it.
That is 8.4/10 on the same scale — 5th of 12 months, versus 9.2/10 for the best month here.
Pack light clothing, a hat and real sun protection, a packable rain layer.
Budget for peak pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Buenos Aires in December?
- In December, Buenos Aires averages 24°C, 67 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 8.4/10.
- Is December a good time to visit Buenos Aires?
- December earns a 8.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Buenos Aires in December?
- Expect about 67 mm of rain in December. Average humidity is 63% and there are about 30 days with 6+ hours of sunshine.
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