August in Troy averages a daily high of 27.4°C with nights around 16.6°C. Expect roughly 10.1 wet days totalling 85.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Troy is May–September.
Based on PONTIAC WWTP, MI US (9.4km), 1995–2024. 15 years of August data.