Climate almanac
Alamo
California, United States · 37.85°, -122.03°
What is the weather like in Alamo in December?
In December, Alamo is typically 58°F (14°C) during the day and 43°F (6°C) at night. The month brings about 3.4 in (87 mm) of precipitation in total.
- Average high58°F (14°C)
- Average low43°F (6°C)
- Precipitation3.4 in (87 mm)
- Clear or mostly clear days9
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)