Climate almanac
San Diego
Cesar Department, Colombia · 10.33°, -73.18°
What is the weather like in San Diego in January?
In January, San Diego is typically 85°F (30°C) during the day and 69°F (21°C) at night. The month brings about 1.9 in (47 mm) of precipitation in total.
- Average high85°F (30°C)
- Average low69°F (21°C)
- Precipitation1.9 in (47 mm)
- Clear or mostly clear days19
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)