In July, Oakville typically sees daytime highs of 26.8°C and overnight lows around 15.4°C. Compared to the annual average high of 13.2°C, July runs +13.7°C.
July in Oakville averages a daytime high of 26.8°C and an overnight low of 15.4°C.
July runs +13.7°C compared to Oakville's annual average high of 13.2°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 26.8°C and cooler evenings around 15.4°C.