In June, Heilbronn typically sees daytime highs of 22.1°C and overnight lows around 11.3°C. Compared to the annual average high of 14.0°C, June runs +8.1°C.
June in Heilbronn averages a daytime high of 22.1°C and an overnight low of 11.3°C.
June runs +8.1°C compared to Heilbronn's annual average high of 14.0°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 22.1°C and cooler evenings around 11.3°C.