In December, Hoorn typically sees daytime highs of 5.5°C and overnight lows around 0.8°C. Compared to the annual average high of 12.5°C, December runs -7.0°C.
December in Hoorn averages a daytime high of 5.5°C and an overnight low of 0.8°C.
December runs -7.0°C compared to Hoorn's annual average high of 12.5°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 5.5°C and cooler evenings around 0.8°C.