In August, Arnhem typically sees daytime highs of 21.8°C and overnight lows around 11.7°C. Compared to the annual average high of 13.4°C, August runs +8.4°C.
August in Arnhem averages a daytime high of 21.8°C and an overnight low of 11.7°C.
August runs +8.4°C compared to Arnhem's annual average high of 13.4°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 21.8°C and cooler evenings around 11.7°C.