Climate almanac
San Antonio
Valparaiso, Chile · -33.59°, -71.61°
What is the weather like in San Antonio in December?
In December, San Antonio is typically 67°F (20°C) during the day and 54°F (12°C) at night. The month brings about 0.2 in (4 mm) of precipitation in total.
- Average high67°F (20°C)
- Average low54°F (12°C)
- Precipitation0.2 in (4 mm)
- Clear or mostly clear days24
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)