Climate almanac
Atascadero
California, United States · 35.49°, -120.67°
What is the weather like in Atascadero in December?
In December, Atascadero is typically 61°F (16°C) during the day and 44°F (7°C) at night. The month brings about 2.8 in (72 mm) of precipitation in total.
- Average high61°F (16°C)
- Average low44°F (7°C)
- Precipitation2.8 in (72 mm)
- Clear or mostly clear days13
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)