July in Athens averages a daily high of 33°C with nights around 21.2°C. Expect roughly 10.9 wet days totalling 110mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Athens is March–May.
Based on ATHENS BEN EPPS AIRPORT, GA US (4.9km), 1995–2024. 30 years of July data.