In August, Bonn typically sees daytime highs of 22.4°C and overnight lows around 12.1°C. Compared to the annual average high of 13.7°C, August runs +8.7°C.
August in Bonn averages a daytime high of 22.4°C and an overnight low of 12.1°C.
August runs +8.7°C compared to Bonn's annual average high of 13.7°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 22.4°C and cooler evenings around 12.1°C.