Climate almanac
Spearfish
South Dakota, United States · 44.49°, -103.86°
What is the weather like in Spearfish in August?
In August, Spearfish is typically 83°F (28°C) during the day and 57°F (14°C) at night. The month brings about 2.2 in (55 mm) of precipitation in total.
- Average high83°F (28°C)
- Average low57°F (14°C)
- Precipitation2.2 in (55 mm)
- Clear or mostly clear days19
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)