In April, Winterthur typically sees daytime highs of 13.0°C and overnight lows around 3.2°C. Compared to the annual average high of 12.8°C, April runs +0.1°C.
April in Winterthur averages a daytime high of 13.0°C and an overnight low of 3.2°C.
April runs +0.1°C compared to Winterthur's annual average high of 12.8°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 13.0°C and cooler evenings around 3.2°C.