In April, Norwalk typically sees daytime highs of 15.1°C and overnight lows around 3.2°C. Compared to the annual average high of 15.8°C, April runs -0.7°C.
April in Norwalk averages a daytime high of 15.1°C and an overnight low of 3.2°C.
April runs -0.7°C compared to Norwalk's annual average high of 15.8°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 15.1°C and cooler evenings around 3.2°C.