In August, Gatineau typically sees daytime highs of 25.1°C and overnight lows around 12.9°C. Compared to the annual average high of 11.1°C, August runs +14.0°C.
August in Gatineau averages a daytime high of 25.1°C and an overnight low of 12.9°C.
August runs +14.0°C compared to Gatineau's annual average high of 11.1°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 25.1°C and cooler evenings around 12.9°C.