In December, Zagreb typically sees daytime highs of 3.8°C and overnight lows around -2.2°C. Compared to the annual average high of 15.0°C, December runs -11.2°C.
December in Zagreb averages a daytime high of 3.8°C and an overnight low of -2.2°C.
December runs -11.2°C compared to Zagreb's annual average high of 15.0°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 3.8°C and cooler evenings around -2.2°C.