In August, Mons typically sees daytime highs of 21.8°C and overnight lows around 11.9°C. Compared to the annual average high of 13.6°C, August runs +8.2°C.
August in Mons averages a daytime high of 21.8°C and an overnight low of 11.9°C.
August runs +8.2°C compared to Mons's annual average high of 13.6°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 21.8°C and cooler evenings around 11.9°C.