In August, Ann Arbor typically sees daytime highs of 27.3°C and overnight lows around 14.5°C. Compared to the annual average high of 14.4°C, August runs +12.9°C.
August in Ann Arbor averages a daytime high of 27.3°C and an overnight low of 14.5°C.
August runs +12.9°C compared to Ann Arbor's annual average high of 14.4°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 27.3°C and cooler evenings around 14.5°C.