December in İskenderun averages a daily high of 17.7°C with nights around 11.3°C. Expect roughly 9.4 wet days totalling 93mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit İskenderun is April–June.
Based on ISKENDERUN, TU (2.3km), 1995–2024. 22 years of December data.