July in Ílion averages a daily high of 33.7°C with nights around 23.7°C. Rain is rare — about 0.6 wet days and 6.8mm across the month. Generally workable, with some weather to plan around.
Across the year, the best time to visit Ílion is April–May.
Based on HELLINIKON, GR (15.5km), 1995–2024. 20 years of July data.