In August, Giessen typically sees daytime highs of 22.1°C and overnight lows around 11.5°C. Compared to the annual average high of 12.8°C, August runs +9.3°C.
August in Giessen averages a daytime high of 22.1°C and an overnight low of 11.5°C.
August runs +9.3°C compared to Giessen's annual average high of 12.8°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 22.1°C and cooler evenings around 11.5°C.