In December, Weimar typically sees daytime highs of 2.8°C and overnight lows around -2.2°C. Compared to the annual average high of 12.1°C, December runs -9.3°C.
December in Weimar averages a daytime high of 2.8°C and an overnight low of -2.2°C.
December runs -9.3°C compared to Weimar's annual average high of 12.1°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 2.8°C and cooler evenings around -2.2°C.