In June, Heidelberg typically sees daytime highs of 17.4°C and overnight lows around -0.0°C. Compared to the annual average high of 23.2°C, June runs -5.8°C.
June in Heidelberg averages a daytime high of 17.4°C and an overnight low of -0.0°C.
June runs -5.8°C compared to Heidelberg's annual average high of 23.2°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 17.4°C and cooler evenings around -0.0°C.