In October, Decatur typically sees daytime highs of 23.2°C and overnight lows around 9.0°C. Compared to the annual average high of 22.1°C, October runs +1.1°C.
October in Decatur averages a daytime high of 23.2°C and an overnight low of 9.0°C.
October runs +1.1°C compared to Decatur's annual average high of 22.1°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 23.2°C and cooler evenings around 9.0°C.