In December, Conroe typically sees daytime highs of 17.5°C and overnight lows around 5.2°C. Compared to the annual average high of 25.9°C, December runs -8.4°C.
December in Conroe averages a daytime high of 17.5°C and an overnight low of 5.2°C.
December runs -8.4°C compared to Conroe's annual average high of 25.9°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 17.5°C and cooler evenings around 5.2°C.