In December, Dortmund typically sees daytime highs of 5.2°C and overnight lows around 0.5°C. Compared to the annual average high of 13.6°C, December runs -8.3°C.
December in Dortmund averages a daytime high of 5.2°C and an overnight low of 0.5°C.
December runs -8.3°C compared to Dortmund's annual average high of 13.6°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 5.2°C and cooler evenings around 0.5°C.