Climate almanac
Santiago
Rio Grande do Sul, Brazil · -29.19°, -54.87°
What is the weather like in Santiago in December?
In December, Santiago is typically 85°F (30°C) during the day and 65°F (18°C) at night. The month brings about 5.0 in (126 mm) of precipitation in total.
- Average high85°F (30°C)
- Average low65°F (18°C)
- Precipitation5.0 in (126 mm)
- Clear or mostly clear days16
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)