Rapid City

What is the climate like in Rapid City?

The best time to visit Rapid City is typically June – October, with trip comfort peaking in September (8.2/10). Rapid City is warmest in July, when daily highs average 85°F (29°C), and coolest in February, when lows fall to about 16°F (-9°C). The wettest month is typically May and the driest is January; the year sees roughly 23 in (591 mm) of precipitation.

• Best time to visitJune – October — comfort peaks in September (8.2/10)
• Warmest monthJuly — average high 85°F (29°C)
• Coolest monthFebruary — average low 16°F (-9°C)
• Wettest monthMay (4.0 in (103 mm))
• Driest monthJanuary (0.6 in (15 mm))
• Annual precipitation23 in (591 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromRapid City 4nw, 6 km away (1949-2026)