In June, Heidelberg typically sees daytime highs of 22.4°C and overnight lows around 11.7°C. Compared to the annual average high of 14.2°C, June runs +8.2°C.
June in Heidelberg averages a daytime high of 22.4°C and an overnight low of 11.7°C.
June runs +8.2°C compared to Heidelberg's annual average high of 14.2°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 22.4°C and cooler evenings around 11.7°C.