In April, Waterbury typically sees daytime highs of 14.4°C and overnight lows around 1.8°C. Compared to the annual average high of 14.6°C, April runs -0.3°C.
April in Waterbury averages a daytime high of 14.4°C and an overnight low of 1.8°C.
April runs -0.3°C compared to Waterbury's annual average high of 14.6°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 14.4°C and cooler evenings around 1.8°C.