In August, Vienna typically sees daytime highs of 24.8°C and overnight lows around 13.8°C. Compared to the annual average high of 14.2°C, August runs +10.6°C.
August in Vienna averages a daytime high of 24.8°C and an overnight low of 13.8°C.
August runs +10.6°C compared to Vienna's annual average high of 14.2°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 24.8°C and cooler evenings around 13.8°C.