In October, Heidelberg typically sees daytime highs of 14.3°C and overnight lows around 5.7°C. Compared to the annual average high of 14.2°C, October runs +0.1°C.
October in Heidelberg averages a daytime high of 14.3°C and an overnight low of 5.7°C.
October runs +0.1°C compared to Heidelberg's annual average high of 14.2°C, ranking #7 of 12 months by warmth.
Plan for daytime highs near 14.3°C and cooler evenings around 5.7°C.