In August, Iserlohn typically sees daytime highs of 21.1°C and overnight lows around 11.7°C. Compared to the annual average high of 12.5°C, August runs +8.6°C.
August in Iserlohn averages a daytime high of 21.1°C and an overnight low of 11.7°C.
August runs +8.6°C compared to Iserlohn's annual average high of 12.5°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 21.1°C and cooler evenings around 11.7°C.