August in Darmstadt averages a daily high of 25.8°C with nights around 13.1°C. Expect roughly 12.2 wet days totalling 72.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Darmstadt is May–September.
Based on DARMSTADT, GM (2.2km), 1995–2024. 30 years of August data.