In December, Chengyang typically sees daytime highs of 5.3°C and overnight lows around -5.2°C. Compared to the annual average high of 17.9°C, December runs -12.5°C.
December in Chengyang averages a daytime high of 5.3°C and an overnight low of -5.2°C.
December runs -12.5°C compared to Chengyang's annual average high of 17.9°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 5.3°C and cooler evenings around -5.2°C.