Climate almanac
Diamond Bar
California, United States · 34.03°, -117.81°
What is the weather like in Diamond Bar in July?
In July, Diamond Bar is typically 88°F (31°C) during the day and 66°F (19°C) at night. The month brings about 0.0 in (1 mm) of precipitation in total.
- Average high88°F (31°C)
- Average low66°F (19°C)
- Precipitation0.0 in (1 mm)
- Clear or mostly clear days27
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)