June in Athens averages a daily high of 31.5°C with nights around 19.2°C. Expect roughly 11 wet days totalling 112.1mm. Generally workable, with some weather to plan around.
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 June data.