In August, Johnson City typically sees daytime highs of 29.3°C and overnight lows around 16.4°C. Compared to the annual average high of 19.7°C, August runs +9.6°C.
August in Johnson City averages a daytime high of 29.3°C and an overnight low of 16.4°C.
August runs +9.6°C compared to Johnson City's annual average high of 19.7°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 29.3°C and cooler evenings around 16.4°C.