In October, Hamilton typically sees daytime highs of 14.7°C and overnight lows around 4.1°C. Compared to the annual average high of 12.8°C, October runs +2.0°C.
October in Hamilton averages a daytime high of 14.7°C and an overnight low of 4.1°C.
October runs +2.0°C compared to Hamilton's annual average high of 12.8°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 14.7°C and cooler evenings around 4.1°C.