In December, Heishan typically sees daytime highs of -2.0°C and overnight lows around -13.3°C. Compared to the annual average high of 14.2°C, December runs -16.2°C.
December in Heishan averages a daytime high of -2.0°C and an overnight low of -13.3°C.
December runs -16.2°C compared to Heishan's annual average high of 14.2°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near -2.0°C and cooler evenings around -13.3°C.