In April, Hamilton typically sees daytime highs of 18.1°C and overnight lows around 5.1°C. Compared to the annual average high of 17.6°C, April runs +0.4°C.
April in Hamilton averages a daytime high of 18.1°C and an overnight low of 5.1°C.
April runs +0.4°C compared to Hamilton's annual average high of 17.6°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 18.1°C and cooler evenings around 5.1°C.