Climate almanac
Castro Valley
California, United States · 37.69°, -122.09°
What is the weather like in Castro Valley in June?
In June, Castro Valley is typically 79°F (26°C) during the day and 55°F (13°C) at night. The month brings about 0.0 in (1 mm) of precipitation in total.
- Average high79°F (26°C)
- Average low55°F (13°C)
- Precipitation0.0 in (1 mm)
- Clear or mostly clear days21
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)