In July, Rapid City typically sees daytime highs of 30.0°C and overnight lows around 14.2°C. Compared to the annual average high of 15.6°C, July runs +14.4°C.
July in Rapid City averages a daytime high of 30.0°C and an overnight low of 14.2°C.
July runs +14.4°C compared to Rapid City's annual average high of 15.6°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 30.0°C and cooler evenings around 14.2°C.