In October, Toronto typically sees daytime highs of 14.5°C and overnight lows around 6.0°C. Compared to the annual average high of 12.3°C, October runs +2.2°C.
October in Toronto averages a daytime high of 14.5°C and an overnight low of 6.0°C.
October runs +2.2°C compared to Toronto's annual average high of 12.3°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 14.5°C and cooler evenings around 6.0°C.