December in Nahariyya averages a daily high of 12.8°C with nights around 7.2°C. Expect roughly 10 wet days totalling 113.9mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Nahariyya is April–June.
Based on HAR KENAAN, IS (37.8km), 1995–2024. 28 years of December data.