In July, Decatur typically sees daytime highs of 32.1°C and overnight lows around 20.1°C. Compared to the annual average high of 22.1°C, July runs +10.0°C.
July in Decatur averages a daytime high of 32.1°C and an overnight low of 20.1°C.
July runs +10.0°C compared to Decatur's annual average high of 22.1°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 32.1°C and cooler evenings around 20.1°C.