December in Zadar averages a daily high of 12.7°C with nights around 6.4°C. Expect roughly 11.3 wet days totalling 107.4mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Zadar is May–July.
Based on ZADAR, HR (2.2km), 1995–2024. 29 years of December data.