Climate almanac
Mejillones
Antofagasta, Chile · -23.10°, -70.45°
What is the weather like in Mejillones in December?
In December, Mejillones is typically 69°F (20°C) during the day and 63°F (17°C) at night. The month brings about 0.2 in (4 mm) of precipitation in total.
- Average high69°F (20°C)
- Average low63°F (17°C)
- Precipitation0.2 in (4 mm)
- Clear or mostly clear days19
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)