In October, Heilbron typically sees daytime highs of 26.3°C and overnight lows around 9.9°C. Compared to the annual average high of 24.1°C, October runs +2.2°C.
October in Heilbron averages a daytime high of 26.3°C and an overnight low of 9.9°C.
October runs +2.2°C compared to Heilbron's annual average high of 24.1°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 26.3°C and cooler evenings around 9.9°C.