In January, Hamilton typically sees daytime highs of -2.3°C and overnight lows around -10.3°C. Compared to the annual average high of 12.8°C, January runs -15.0°C.
January in Hamilton averages a daytime high of -2.3°C and an overnight low of -10.3°C.
January runs -15.0°C compared to Hamilton's annual average high of 12.8°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near -2.3°C and cooler evenings around -10.3°C.