In August, Ulm typically sees daytime highs of 21.4°C and overnight lows around 10.7°C. Compared to the annual average high of 11.9°C, August runs +9.5°C.
August in Ulm averages a daytime high of 21.4°C and an overnight low of 10.7°C.
August runs +9.5°C compared to Ulm's annual average high of 11.9°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 21.4°C and cooler evenings around 10.7°C.