Climate almanac
San Martin
California, United States · 37.08°, -121.61°
What is the weather like in San Martin in December?
In December, San Martin is typically 60°F (15°C) during the day and 42°F (6°C) at night. The month brings about 3.1 in (80 mm) of precipitation in total.
- Average high60°F (15°C)
- Average low42°F (6°C)
- Precipitation3.1 in (80 mm)
- Clear or mostly clear days10
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)