In December, Alkmaar typically sees daytime highs of 6.7°C and overnight lows around 2.5°C. Compared to the annual average high of 12.0°C, December runs -5.4°C.
December in Alkmaar averages a daytime high of 6.7°C and an overnight low of 2.5°C.
December runs -5.4°C compared to Alkmaar's annual average high of 12.0°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 6.7°C and cooler evenings around 2.5°C.