In August, Pontiac typically sees daytime highs of 26.8°C and overnight lows around 14.8°C. Compared to the annual average high of 13.9°C, August runs +12.9°C.
August in Pontiac averages a daytime high of 26.8°C and an overnight low of 14.8°C.
August runs +12.9°C compared to Pontiac's annual average high of 13.9°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 26.8°C and cooler evenings around 14.8°C.