In August, Aachen typically sees daytime highs of 21.6°C and overnight lows around 12.0°C. Compared to the annual average high of 13.2°C, August runs +8.4°C.
August in Aachen averages a daytime high of 21.6°C and an overnight low of 12.0°C.
August runs +8.4°C compared to Aachen's annual average high of 13.2°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 21.6°C and cooler evenings around 12.0°C.