In December, Gastonia typically sees daytime highs of 11.4°C and overnight lows around -0.7°C. Compared to the annual average high of 21.5°C, December runs -10.1°C.
December in Gastonia averages a daytime high of 11.4°C and an overnight low of -0.7°C.
December runs -10.1°C compared to Gastonia's annual average high of 21.5°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 11.4°C and cooler evenings around -0.7°C.