Climate almanac
Petaluma
California, United States · 38.23°, -122.64°
What is the weather like in Petaluma in August?
In August, Petaluma is typically 77°F (25°C) during the day and 56°F (14°C) at night. The month brings about 0.0 in (1 mm) of precipitation in total.
- Average high77°F (25°C)
- Average low56°F (14°C)
- Precipitation0.0 in (1 mm)
- Clear or mostly clear days22
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)