In August, Moncton typically sees daytime highs of 23.7°C and overnight lows around 11.8°C. Compared to the annual average high of 10.5°C, August runs +13.2°C.
August in Moncton averages a daytime high of 23.7°C and an overnight low of 11.8°C.
August runs +13.2°C compared to Moncton's annual average high of 10.5°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 23.7°C and cooler evenings around 11.8°C.