In December, Wilhelmshaven typically sees daytime highs of 4.6°C and overnight lows around 0.7°C. Compared to the annual average high of 11.8°C, December runs -7.2°C.
December in Wilhelmshaven averages a daytime high of 4.6°C and an overnight low of 0.7°C.
December runs -7.2°C compared to Wilhelmshaven's annual average high of 11.8°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 4.6°C and cooler evenings around 0.7°C.