In June, Bonn typically sees daytime highs of 21.2°C and overnight lows around 10.5°C. Compared to the annual average high of 13.7°C, June runs +7.5°C.
June in Bonn averages a daytime high of 21.2°C and an overnight low of 10.5°C.
June runs +7.5°C compared to Bonn's annual average high of 13.7°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 21.2°C and cooler evenings around 10.5°C.