In August, Louisville typically sees daytime highs of 30.3°C and overnight lows around 17.6°C. Compared to the annual average high of 18.9°C, August runs +11.4°C.
August in Louisville averages a daytime high of 30.3°C and an overnight low of 17.6°C.
August runs +11.4°C compared to Louisville's annual average high of 18.9°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 30.3°C and cooler evenings around 17.6°C.