In October, Richardson typically sees daytime highs of 26.2°C and overnight lows around 12.8°C. Compared to the annual average high of 24.7°C, October runs +1.5°C.
October in Richardson averages a daytime high of 26.2°C and an overnight low of 12.8°C.
October runs +1.5°C compared to Richardson's annual average high of 24.7°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 26.2°C and cooler evenings around 12.8°C.