In December, Germantown typically sees daytime highs of 7.2°C and overnight lows around -3.1°C. Compared to the annual average high of 18.6°C, December runs -11.4°C.
December in Germantown averages a daytime high of 7.2°C and an overnight low of -3.1°C.
December runs -11.4°C compared to Germantown's annual average high of 18.6°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 7.2°C and cooler evenings around -3.1°C.