Climate almanac
Belle Fourche
South Dakota, United States · 44.67°, -103.85°
What is the climate like in Belle Fourche?
The best time to visit Belle Fourche is typically June – October, with trip comfort peaking in August (8.4/10). Belle Fourche is warmest in July, when daily highs average 89°F (32°C), and coolest in February, when lows fall to about 16°F (-9°C). The wettest month is typically May and the driest is November; the year sees roughly 17 in (431 mm) of precipitation.
- Best time to visitJune – October — comfort peaks in August (8.4/10)
- Warmest monthJuly — average high 89°F (32°C)
- Coolest monthFebruary — average low 16°F (-9°C)
- Wettest monthMay (2.6 in (66 mm))
- Driest monthNovember (0.6 in (14 mm))
- Annual precipitation17 in (431 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromBelle Fourche, 0 km away (1908-2022)