In October, Charleston typically sees daytime highs of 24.3°C and overnight lows around 13.3°C. Compared to the annual average high of 23.5°C, October runs +0.8°C.
October in Charleston averages a daytime high of 24.3°C and an overnight low of 13.3°C.
October runs +0.8°C compared to Charleston's annual average high of 23.5°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 24.3°C and cooler evenings around 13.3°C.