In December, Troisdorf typically sees daytime highs of 5.3°C and overnight lows around 0.6°C. Compared to the annual average high of 13.8°C, December runs -8.5°C.
December in Troisdorf averages a daytime high of 5.3°C and an overnight low of 0.6°C.
December runs -8.5°C compared to Troisdorf's annual average high of 13.8°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 5.3°C and cooler evenings around 0.6°C.