Buenos Aires · WinterMonth summary
Buenos Aires weather in December
✅ Good
🌡️ Temperature min / max
66°F – 81°F
🌧 Rainy days
26% of days
☀️ Sunshine
13.4h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
8.8/10
📅 📅 Best month
January (8.8/10)
Quick decision
Should you visit Buenos Aires in December?
✅ Good
✅ Yes if: you want great weather for all activities.
❌ No if: you're on a tight budget — prices are higher during peak season.
Our take: Favourable conditions in December (8.8/10). January scores higher but the gap is small.
By trip type
Buenos Aires in December by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ✅ Good
- 🏖️ Beach / swimming : ✅ Good
- 💰 💰 Budget : 💸 Peak season
Local context
What to expect in December
Even in winter, Buenos Aires enjoys 27°F. A real asset for escaping the European cold. Expect rain on 26% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if January (8.8/10) remains theoretically better.
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Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌤️ January | 70°F | 82°F | 27% | 0.1in | 13.0h | 8.8/10 |
| 🌤️ February | 70°F | 82°F | 25% | 0.1in | 12.0h | 8.7/10 |
| 🌤️ March | 66°F | 77°F | 29% | 0.2in | 11.0h | 8.0/10 |
| 🌤️ April | 61°F | 70°F | 29% | 0.1in | 9.8h | 7.4/10 |
| ⛅ May | 52°F | 63°F | 23% | 0.1in | 8.7h | 7.1/10 |
| ⛅ June | 46°F | 57°F | 23% | 0.1in | 8.3h | 6.7/10 |
| ⛅ July | 46°F | 57°F | 26% | 0.1in | 8.6h | 6.5/10 |
| ⛅ August | 48°F | 61°F | 19% | 0.1in | 9.6h | 7.1/10 |
| 🌤️ September | 52°F | 64°F | 21% | 0.1in | 10.4h | 7.3/10 |
| 🌤️ October | 55°F | 70°F | 28% | 0.1in | 11.6h | 7.7/10 |
| 🌤️ November | 63°F | 75°F | 29% | 0.1in | 12.8h | 8.2/10 |
| 🌤️ December | 66°F | 81°F | 26% | 0.1in | 13.4h | 8.8/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In December, Buenos Aires averages 81°F, 26% rainy days and 13.4h of sunshine per day. Overall weather score: 8.8/10.
See methodology →
Comparison
December vs January (best month)
The best month is January (score 8.8/10). Difference:
- 🌡️ Max temperature : +1°F
- 🌧 Rainy days : +1%
- ☀️ Sunshine : -0.4h/day
FAQ
FAQ — Buenos Aires in December
Is December a good time to visit Buenos Aires?
December is an excellent time to visit Buenos Aires (score 8.8/10). With 81°F, 13.4h of sunshine and 26% rain, conditions are very favourable.
What to do in Buenos Aires in December?
With 81°F and 13.4h of sunshine, all outdoor activities are possible: hiking, sightseeing and terraces.
Accommodation
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Activities & tours
Activities and tours in Buenos Aires
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