Buenos Aires weather in December
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Buenos Aires December weather at a glance
In December, Buenos Aires averages 23.8°C, with typical highs of 28.3°C and lows of 19.3°C. The historical average is 8 wet days and 57% humidity.
Buenos Aires December temperature & humidity
Buenos Aires December rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Buenos Aires in December
Choose breathable summer clothes and pack sun protection.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 28.3°C
- Morning & eveningLight layer for air-conditioned rooms · average low 19.3°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Buenos Aires December sunrise & sunset times
2026 December · Local time (America/Argentina/Buenos_Aires)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-12-01 | 05:34 | 19:52 | 14h 18m |
| 2026-12-15 | 05:35 | 20:03 | 14h 28m |
| 2026-12-31 | 05:43 | 20:10 | 14h 26m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Best months to visit Buenos Aires
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
December weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Buenos Aires weather like in December?
In December, Buenos Aires averages 23.8°C, with typical highs of 28.3°C and lows of 19.3°C. The historical average is 8 wet days and 57% humidity. Our weather-comfort rating for this month is good.
Does it rain a lot in Buenos Aires in December?
There are about 8 wet days in December. A compact umbrella is still useful.
What should I wear in Buenos Aires in December?
Choose breathable summer clothes and pack sun protection.
What are the best months to visit Buenos Aires?
Recent weather data rates January, February, March, April among the more comfortable months.
Where can I check Buenos Aires weather in December in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Buenos Aires in December?
On 2026-12-15, calculated sunrise is 05:35 and sunset is 20:03 in local time (America/Argentina/Buenos_Aires). Times vary by date and terrain.
Buenos Aires weather by month
More Americas destinations in December
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations