In October, Oakville typically sees daytime highs of 15.4°C and overnight lows around 5.5°C. Compared to the annual average high of 13.2°C, October runs +2.2°C.
October in Oakville averages a daytime high of 15.4°C and an overnight low of 5.5°C.
October runs +2.2°C compared to Oakville's annual average high of 13.2°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 15.4°C and cooler evenings around 5.5°C.