Climate almanac
Spearfish
South Dakota, United States · 44.49°, -103.86°
What is the weather like in Spearfish in May?
In May, Spearfish is typically 65°F (19°C) during the day and 43°F (6°C) at night. The month brings about 3.8 in (96 mm) of precipitation in total. Snowfall averages about 2.2 in (56 mm) over the month.
- Average high65°F (19°C)
- Average low43°F (6°C)
- Precipitation3.8 in (96 mm)
- Clear or mostly clear days11
- Snowfall2.2 in (56 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)