Climate almanac
Walnut
California, United States · 34.02°, -117.87°
What is the weather like in Walnut in January?
In January, Walnut is typically 65°F (18°C) during the day and 45°F (7°C) at night. The month brings about 3.7 in (95 mm) of precipitation in total.
- Average high65°F (18°C)
- Average low45°F (7°C)
- Precipitation3.7 in (95 mm)
- Clear or mostly clear days12
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)