Climate almanac
Buenos Aires
Puntarenas Province, Costa Rica · 9.17°, -83.33°
What is the weather like in Buenos Aires in December?
In December, Buenos Aires is typically 74°F (23°C) during the day and 60°F (15°C) at night. The month brings about 4.0 in (101 mm) of precipitation in total.
- Average high74°F (23°C)
- Average low60°F (15°C)
- Precipitation4.0 in (101 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)