August in Flint averages a daily high of 27.3°C with nights around 15°C. Expect roughly 9.9 wet days totalling 84.1mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Flint is May–September.
Based on FLINT FCWOS, MI US (7.2km), 1995–2024. 30 years of August data.