Climate almanac
Santa Monica
California, United States · 34.02°, -118.49°
What is the weather like in Santa Monica in December?
In December, Santa Monica is typically 66°F (19°C) during the day and 50°F (10°C) at night. The month brings about 2.8 in (70 mm) of precipitation in total.
- Average high66°F (19°C)
- Average low50°F (10°C)
- Precipitation2.8 in (70 mm)
- Clear or mostly clear days15
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)