June in Germantown averages a daily high of 26.7°C with nights around 16.1°C. Expect roughly 10.9 wet days totalling 119.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Germantown is August–October.
Based on DAMASCUS 3 SSW, MD US (10.8km), 1995–2024. 29 years of June data.