In December, Trier typically sees daytime highs of 3.7°C and overnight lows around -0.8°C. Compared to the annual average high of 12.7°C, December runs -9.0°C.
December in Trier averages a daytime high of 3.7°C and an overnight low of -0.8°C.
December runs -9.0°C compared to Trier's annual average high of 12.7°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 3.7°C and cooler evenings around -0.8°C.