July in Shelby averages a daily high of 28.2°C with nights around 17.1°C. Expect roughly 10.2 wet days totalling 83.2mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Shelby is May–September.
Based on PONTIAC WWTP, MI US (18.5km), 1995–2024. 16 years of July data.