In December, Ahlen typically sees daytime highs of 4.9°C and overnight lows around 0.4°C. Compared to the annual average high of 13.3°C, December runs -8.4°C.
December in Ahlen averages a daytime high of 4.9°C and an overnight low of 0.4°C.
December runs -8.4°C compared to Ahlen's annual average high of 13.3°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 4.9°C and cooler evenings around 0.4°C.