July in Warren averages a daily high of 29.1°C with nights around 18.8°C. Expect roughly 10.6 wet days totalling 86.2mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Warren is August–September.
Based on DETROIT CITY AIRPORT, MI US (9.3km), 1995–2024. 28 years of July data.