In December, Hongsung typically sees daytime highs of 4.9°C and overnight lows around -4.5°C. Compared to the annual average high of 16.8°C, December runs -11.9°C.
December in Hongsung averages a daytime high of 4.9°C and an overnight low of -4.5°C.
December runs -11.9°C compared to Hongsung's annual average high of 16.8°C, ranking #10 of 12 months by warmth.
Plan for daytime highs near 4.9°C and cooler evenings around -4.5°C.