In March, Rapid City typically sees daytime highs of 7.5°C and overnight lows around -5.9°C. Compared to the annual average high of 15.6°C, March runs -8.1°C.
March in Rapid City averages a daytime high of 7.5°C and an overnight low of -5.9°C.
March runs -8.1°C compared to Rapid City's annual average high of 15.6°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 7.5°C and cooler evenings around -5.9°C.