In April, Bonn typically sees daytime highs of 13.6°C and overnight lows around 3.4°C. Compared to the annual average high of 13.7°C, April runs -0.1°C.
April in Bonn averages a daytime high of 13.6°C and an overnight low of 3.4°C.
April runs -0.1°C compared to Bonn's annual average high of 13.7°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 13.6°C and cooler evenings around 3.4°C.