In August, Mississauga typically sees daytime highs of 25.5°C and overnight lows around 14.4°C. Compared to the annual average high of 12.4°C, August runs +13.2°C.
August in Mississauga averages a daytime high of 25.5°C and an overnight low of 14.4°C.
August runs +13.2°C compared to Mississauga's annual average high of 12.4°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 25.5°C and cooler evenings around 14.4°C.