In March, Rock Hill typically sees daytime highs of 17.6°C and overnight lows around 4.0°C. Compared to the annual average high of 22.1°C, March runs -4.6°C.
March in Rock Hill averages a daytime high of 17.6°C and an overnight low of 4.0°C.
March runs -4.6°C compared to Rock Hill's annual average high of 22.1°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 17.6°C and cooler evenings around 4.0°C.