In December, Hyesan typically sees daytime highs of -7.0°C and overnight lows around -21.1°C. Compared to the annual average high of 9.3°C, December runs -16.4°C.
December in Hyesan averages a daytime high of -7.0°C and an overnight low of -21.1°C.
December runs -16.4°C compared to Hyesan's annual average high of 9.3°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near -7.0°C and cooler evenings around -21.1°C.