In July, Detroit typically sees daytime highs of 28.1°C and overnight lows around 16.1°C. Compared to the annual average high of 14.3°C, July runs +13.8°C.
July in Detroit averages a daytime high of 28.1°C and an overnight low of 16.1°C.
July runs +13.8°C compared to Detroit's annual average high of 14.3°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 28.1°C and cooler evenings around 16.1°C.