In October, Hamilton typically sees daytime highs of 18.1°C and overnight lows around 7.5°C. Compared to the annual average high of 19.0°C, October runs -0.9°C.
October in Hamilton averages a daytime high of 18.1°C and an overnight low of 7.5°C.
October runs -0.9°C compared to Hamilton's annual average high of 19.0°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 18.1°C and cooler evenings around 7.5°C.