In August, Chapel Hill typically sees daytime highs of 30.8°C and overnight lows around 18.8°C. Compared to the annual average high of 21.4°C, August runs +9.4°C.
August in Chapel Hill averages a daytime high of 30.8°C and an overnight low of 18.8°C.
August runs +9.4°C compared to Chapel Hill's annual average high of 21.4°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 30.8°C and cooler evenings around 18.8°C.