Climate almanac
Saint Helens
Oregon, United States · 45.86°, -122.81°
What is the weather like in Saint Helens in August?
In August, Saint Helens is typically 84°F (29°C) during the day and 58°F (14°C) at night. The month brings about 0.6 in (14 mm) of precipitation in total.
- Average high84°F (29°C)
- Average low58°F (14°C)
- Precipitation0.6 in (14 mm)
- Clear or mostly clear days18
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)