In December, Sugar Land typically sees daytime highs of 18.5°C and overnight lows around 7.1°C. Compared to the annual average high of 26.3°C, December runs -7.7°C.
December in Sugar Land averages a daytime high of 18.5°C and an overnight low of 7.1°C.
December runs -7.7°C compared to Sugar Land's annual average high of 26.3°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 18.5°C and cooler evenings around 7.1°C.