Climate almanac
Sonoma
California, United States · 38.29°, -122.46°
What is the weather like in Sonoma in January?
In January, Sonoma is typically 59°F (15°C) during the day and 44°F (7°C) at night. The month brings about 5.5 in (140 mm) of precipitation in total.
- Average high59°F (15°C)
- Average low44°F (7°C)
- Precipitation5.5 in (140 mm)
- Clear or mostly clear days7
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)