In December, Rowlett typically sees daytime highs of 14.6°C and overnight lows around 2.5°C. Compared to the annual average high of 24.7°C, December runs -10.0°C.
December in Rowlett averages a daytime high of 14.6°C and an overnight low of 2.5°C.
December runs -10.0°C compared to Rowlett's annual average high of 24.7°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 14.6°C and cooler evenings around 2.5°C.